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Subject-Modifier Agreement

36 questions

All types36Multiple choice19Fill in the blank17
Question 21Question →

Written in 1937 during a field trip to Haiti, _______

Which choice completes the text so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: the novel *Their Eyes Were Watching God* was completed by author Zora Neale Hurston in only seven weeks.

Answer

The correct answer completes the sentence with the novel as the subject, stating 'the novel *Their Eyes Were Watching God* was completed by author Zora Neale Hurston in only seven weeks.'
The correct option is the one that begins with the novel itself: 'the novel *Their Eyes Were Watching God* was completed by author Zora Neale Hurston in only seven weeks.' The introductory participial phrase 'Written in 1937 during a field trip to Haiti' must modify the subject of the main clause that follows it. Since the novel is what was written in 1937, the novel must be the subject of the main clause. This option correctly structures the sentence so that 'the novel' immediately follows the modifier.

Step-by-Step Solution

1
Identify the introductory modifying phrase and determine what it logically describes.
The introductory phrase 'Written in 1937 during a field trip to Haiti' describes a written work, which is the novel *Their Eyes Were Watching God*.
An introductory modifier must immediately precede and describe the logical subject of the sentence to avoid a dangling modifier.
2
Evaluate the options to find the one where the logical subject immediately follows the comma.
Only the option beginning with 'the novel *Their Eyes Were Watching God*' correctly places the logical subject immediately after the modifier.
This arrangement ensures subject-modifier agreement, whereas the other options place 'author Zora Neale Hurston', 'it', or 'only seven weeks' as the subject, resulting in dangling modifiers.

Key Concept

Subject-Modifier Agreement
Question 22Question →

In 539 BCE, the Persian king Cyrus the Great conquered Babylon, establishing one of the largest empires in ancient history. A baked-clay artifact discovered in the ruins of Babylon in 1879, _______

Which choice completes the text so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: the Cyrus Cylinder features a cuneiform declaration that details the king’s conquests and outlines his policies of religious tolerance.

Answer

the Cyrus Cylinder features a cuneiform declaration that details the king’s conquests and outlines his policies of religious tolerance.
The introductory phrase 'A baked-clay artifact discovered in the ruins of Babylon in 1879' describes the Cyrus Cylinder. Standard English conventions require that an introductory modifying phrase be followed immediately by the noun it logically modifies. Therefore, the subject of the main clause must be 'the Cyrus Cylinder'. The option stating that 'the Cyrus Cylinder features a cuneiform declaration' correctly places the logical subject immediately after the modifier.

Step-by-Step Solution

1
Identify the introductory modifying phrase and its logical subject.
The introductory phrase is 'A baked-clay artifact discovered in the ruins of Babylon in 1879'. This modifier describes a physical object, which is the Cyrus Cylinder.
Determining the logical subject of the modifier tells us which noun must immediately follow the comma.
2
Evaluate the grammatical subjects at the beginning of each option.
Only the option starting with 'the Cyrus Cylinder' correctly aligns the physical artifact modifier with the physical artifact itself. Options starting with 'the king's conquests', 'the cuneiform declaration', or 'scholars' create illogical modifier relationships.
Standard English conventions require that a modifying phrase be placed immediately adjacent to the noun it modifies to prevent dangling or misplaced modifiers.

Key Concept

Subject-Modifier Agreement
Question 23Question →

Complete the sentence by filling in the blank with the name of the scientist described by the introductory modifier.

Fill in the blanks below

Having studied the genetic inheritance of maize for decades, discovered transposable elements in 1948.
Show answer & explanation

Answer

Barbara McClintock
The introductory modifier 'Having studied the genetic inheritance of maize for decades' describes an action performed by a person. Therefore, the subject immediately following the comma must be the person who did the studying, which is Barbara McClintock. Placing her name in the blank ensures proper subject-modifier agreement.

Step-by-Step Solution

1
Identify the introductory modifying phrase at the beginning of the sentence.
The phrase is 'Having studied the genetic inheritance of maize for decades.'
This modifier describes an action performed by a logical subject.
2
Determine who logically performed the action of studying maize.
The scientist Barbara McClintock is the logical subject who performed this study.
To avoid a dangling modifier, the subject immediately following the comma must be the person who performed the action.

Key Concept

Subject-Modifier Agreement
Question 24Question →

Complete the text by filling in the blank with the option that conforms to the conventions of Standard English. Choose from the following options:
- the faint light source detected in 1994 was eventually recognized
- astronomers eventually recognized the faint light source detected in 1994
- the recognition of the faint light source detected in 1994 eventually occurred
- detecting the faint light source in 1994 eventually led to its recognition

Fill in the blanks below

Although initially dismissed as a minor instrumental glitch by contemporary astronomers, as Gliese 229B, the first confirmed brown dwarf.
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Answer

the faint light source detected in 1994 was eventually recognized
The introductory modifying phrase 'Although initially dismissed as a minor instrumental glitch by contemporary astronomers' describes a physical observation or light source. The correct option begins with the noun phrase 'the faint light source,' ensuring that the modifier correctly describes the subject of the main clause.

Step-by-Step Solution

1
Identify the introductory modifying phrase and determine its logical subject.
The modifying phrase is 'Although initially dismissed as a minor instrumental glitch by contemporary astronomers.' The entity being 'dismissed as a minor instrumental glitch' must be the physical light source or astronomical observation itself.
A modifying phrase must logically describe the noun or pronoun that immediately follows it.
2
Evaluate the first word or phrase of each option to find the one that represents the logical subject.
The option beginning with 'the faint light source' correctly places the logical subject immediately after the modifier. The options beginning with 'astronomers,' 'the recognition,' or 'detecting' do not represent the entity dismissed as a glitch.
Placing any other word immediately after the modifier results in a dangling or misplaced modifier.

Key Concept

Subject-Modifier Agreement
Question 25Question →

Located roughly 500 light-years from Earth in the constellation Ophiuchus, Barnard 68 is a dark absorption nebula consisting of a high concentration of dust and molecular gas. Known for its extreme density and cold temperature, _______

Which choice completes the text so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: the molecular cloud Barnard 68 absorbs almost all visible light from the stars behind it.

Answer

the molecular cloud Barnard 68 absorbs almost all visible light from the stars behind it.
The introductory modifying phrase 'Known for its extreme density and cold temperature' must describe the molecular cloud Barnard 68. The correct option begins with this noun phrase, ensuring that the modifier is logically and grammatically connected to the subject it describes.

Step-by-Step Solution

1
Identify the introductory modifying phrase in the sentence.
The phrase is 'Known for its extreme density and cold temperature'.
This phrase sets up a description that must apply to the noun that immediately follows the comma.
2
Determine the logical subject that is described by the modifying phrase.
The entity known for extreme density and cold temperature is the molecular cloud Barnard 68, not the astronomers, the visible light, or the absorption.
Correct grammatical construction requires the modifying phrase to be placed directly next to the noun it modifies.
3
Select the option that begins with the logical subject.
The option beginning with 'the molecular cloud Barnard 68' is correct, as it avoids a dangling or misplaced modifier.
This establishes proper subject-modifier agreement.

Key Concept

Subject-Modifier Agreement
Estimated Time:1m 0s
Question 26Question →

Although she did not live to see the final decipherment of the ancient Aegean script known as Linear B, classicist Alice Kober played a vital role in its decoding. Having painstakingly recorded and analyzed grammatical patterns on thousands of index cards, _______

Which choice completes the text so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: Kober established the grammatical grid that eventually enabled Michael Ventris to decipher the language.

Answer

Kober established the grammatical grid that eventually enabled Michael Ventris to decipher the language.
The correct option correctly places 'Kober' as the subject of the main clause immediately following the introductory modifying phrase. Since she is the person who recorded and analyzed the grammatical patterns, this structure conforms to Standard English rules of subject-modifier agreement.

Step-by-Step Solution

1
Identify the introductory modifying phrase and determine its logical subject.
The introductory phrase is 'Having painstakingly recorded and analyzed grammatical patterns on thousands of index cards.' The logical subject who performed this action is classicist Alice Kober.
An introductory modifier must immediately precede the noun it logically describes to avoid a dangling or misplaced modifier.
2
Evaluate the options to find the one where the subject immediately following the comma is the logical subject ('Kober').
Only the option beginning with 'Kober' correctly aligns the subject with the modifier. The options beginning with 'Kober's grammatical grid,' 'Michael Ventris,' or 'the final decipherment' create dangling or misplaced modifiers because these nouns cannot logically record and analyze cards.
Ensuring standard English modifier agreement rules requires the subject of the main clause to be the agent of the action described in the modifying phrase.

Key Concept

Subject-Modifier Agreement
Question 27Question →

The following passage contains a grammatical blank. Which physicist's name correctly fills the blank to ensure that the sentence maintains subject-modifier agreement?

Fill in the blanks below

Recognized for her crucial contributions to the Manhattan Project and her experimental proof of parity violation, challenged a widely accepted law of physics in 1956.
Show answer & explanation

Answer

Chien-Shiung Wu
The introductory modifying phrase describes a female scientist's achievements. To ensure subject-modifier agreement, the subject of the sentence immediately following the comma must be the person who matches this description. Placing the name Chien-Shiung Wu directly after the modifier establishes a clear and grammatically correct connection.

Step-by-Step Solution

1
Identify the introductory modifying phrase at the start of the sentence.
The modifying phrase is 'Recognized for her crucial contributions to the Manhattan Project and her experimental proof of parity violation.'
This phrase contains the possessive pronoun 'her', indicating that it must modify a specific female scientist.
2
Determine who or what must immediately follow the modifying phrase to avoid a dangling modifier.
The name of the physicist, Chien-Shiung Wu, must be placed directly after the comma as the subject of the main clause.
Subject-modifier agreement requires that the noun being described by the introductory modifier immediately follow it.

Key Concept

Subject-modifier agreement
Question 28Question →

Although she started late in life, Mexican-American botanist Ynes Mexia became one of the most successful plant collectors of the early twentieth century. Traveling extensively throughout North and South America, Mexia gathered nearly 150,000 specimens, many of which were previously unknown to science. Having begun her botanical career at the age of fifty-five, _______

Which choice completes the text so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: Mexia went on to discover more than five hundred new species of plants, securing a lasting legacy in the field of botany.

Answer

The choice that begins with the noun 'Mexia' correctly completes the sentence, as it matches the logical subject of the introductory modifying phrase.
The introductory phrase 'Having begun her botanical career at the age of fifty-five' is a participial modifier that must describe a person. The correct option begins with the proper noun 'Mexia', which is the logical subject of the modifying phrase, resulting in a clear and grammatically sound sentence.

Step-by-Step Solution

1
Identify the introductory modifying phrase.
The phrase 'Having begun her botanical career at the age of fifty-five' modifies the noun that immediately follows it.
According to Standard English conventions, an introductory modifier must logically describe the subject that immediately follows the comma.
2
Determine the logical subject of the modifying phrase.
The person who began a botanical career at the age of fifty-five is Ynes Mexia.
A career is started by a person, not by an abstract concept (like a legacy or discovery) or objects (like plant species).
3
Select the option that begins with the logical subject.
Only the option starting with 'Mexia' provides the logical subject of the modifier.
Placing any other subject immediately after the comma creates a dangling modifier.

Key Concept

Subject-Modifier Agreement
Question 29Question →

German meteorologist Alfred Wegener noticed that the coastlines of South America and Africa fit together like puzzle pieces.

To ensure that the introductory modifying phrase 'Noticing this striking geographical alignment' logically modifies the correct subject, what name or pronoun should fill the blank?

Fill in the blanks below

Noticing this striking geographical alignment, proposed the theory of continental drift.
Show answer & explanation

Answer

Alfred Wegener
The introductory participial phrase 'Noticing this striking geographical alignment' must logically describe the subject that immediately follows the comma. Based on the context, German meteorologist Alfred Wegener is the one who noticed the coastlines fitting together. Therefore, the blank must be filled with a noun or pronoun referring to Wegener to ensure correct subject-modifier agreement.

Step-by-Step Solution

1
Identify the introductory modifying phrase and the action it describes.
The phrase is 'Noticing this striking geographical alignment,' which describes the act of noticing the coastlines fitting together.
Introductory modifiers must logically modify the subject that immediately follows them.
2
Determine who or what logically performed the action of noticing based on the context.
The context states that German meteorologist Alfred Wegener noticed the coastlines fitting together.
The subject of the main clause must be the logical agent of the modifier to avoid a dangling or misplaced modifier.
3
Fill in the blank with the logical subject.
Inserting 'Alfred Wegener' (or 'Wegener' / 'he') directly after the comma correctly attributes the action to him.
This establishes clear subject-modifier agreement, conforming to the conventions of Standard English.

Key Concept

Subject-Modifier Agreement
Question 30Question →

Hoping to reconstruct the climate of the Late Cretaceous epoch, ________. By studying the density of stomata (microscopic pores) on these specimens, the researchers were able to estimate past atmospheric carbon dioxide levels.

Which choice completes the text so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: paleoclimatologists analyzed the fossilized leaves of ancient ginkgo trees

Answer

paleoclimatologists analyzed the fossilized leaves of ancient ginkgo trees
The introductory modifying phrase 'Hoping to reconstruct the climate of the Late Cretaceous epoch' describes an action that can only be performed by a person or group of people. The main clause must therefore begin with the logical subject, 'paleoclimatologists'. The correct option is the only one that places 'paleoclimatologists' immediately after the modifying phrase, establishing a clear and logical connection.

Step-by-Step Solution

1
Identify the introductory modifying phrase.
The phrase is 'Hoping to reconstruct the climate of the Late Cretaceous epoch'.
This is a present participial phrase that functions as an adjective modifying the subject of the main clause.
2
Determine the logical subject that performs the action in the modifying phrase.
The logical subject must be the people who are hoping to reconstruct the climate, which is the paleoclimatologists.
Inanimate objects like leaves or abstract nouns like an analysis cannot possess hopes or perform scientific reconstruction.
3
Select the option where the main clause begins with this logical subject.
The option beginning with 'paleoclimatologists' is the only grammatically correct choice.
Placing the logical subject immediately after the comma resolves the dangling modifier and ensures proper subject-modifier agreement.

Key Concept

Subject-Modifier Agreement
Question 31Question →

The following passage is from an academic text about animal behavior. Which pronoun or noun correctly completes the sentence to establish proper subject-modifier agreement? Fill in the blank with the correct word or phrase.

Fill in the blanks below

French biologist Karl von Frisch spent decades studying the communication patterns of honeybees. By translating their complex 'waggle dance' into spatial coordinates, demonstrated that insects possess a sophisticated form of symbolic communication.
Show answer & explanation

Answer

The correct answer is the pronoun 'he' or the proper noun 'Karl von Frisch' (or 'the biologist' / 'the scientist').
The introductory modifying phrase 'By translating their complex "waggle dance" into spatial coordinates' describes an action that must be performed by a logical agent. The only logical agent in the context is the biologist Karl von Frisch. Therefore, the subject of the main clause must be a pronoun or noun referring to him (such as 'he', 'Karl von Frisch', or 'the biologist').

Step-by-Step Solution

1
Identify the introductory modifying phrase and determine its logical subject.
The modifying phrase 'By translating their complex "waggle dance" into spatial coordinates' describes an action.
The subject immediately following the modifier must be the entity performing the action of translating.
2
Select the correct noun or pronoun based on the context.
Since Karl von Frisch is the biologist who performed the research, the subject must refer to him, resulting in the pronoun 'he' or the noun 'Karl von Frisch'.
This establishes correct subject-modifier agreement and avoids a dangling modifier.

Key Concept

Subject-Modifier Agreement
Question 32Question →

Applying a comparative linguistic approach to the ancient Mayan script, ________. This breakthrough revolutionized the field of Mesoamerican archaeology, allowing researchers to read historical inscriptions directly.

Which choice completes the passage so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: linguist Yuri Knorozov determined that the glyphs represented phonetic syllables.

Answer

The correct option is the sentence starting with 'linguist Yuri Knorozov' because it provides the logical subject for the introductory modifying phrase.
The introductory modifying phrase 'Applying a comparative linguistic approach to the ancient Mayan script' describes an action that must be performed by a person. The only option that places the logical performer of the action—'linguist Yuri Knorozov'—as the subject of the main clause is the correct one. This creates a grammatically correct sentence where the modifier is in agreement with the subject.

Step-by-Step Solution

1
Identify the introductory modifying phrase and determine the action it describes.
The phrase is 'Applying a comparative linguistic approach to the ancient Mayan script,' which describes the action of applying a linguistic method.
Understanding who or what performs the action of the modifier is necessary to determine the correct subject of the main clause.
2
Evaluate the choices to find which one begins with the noun that logically performs this action.
The person applying the approach is the linguist Yuri Knorozov. The option beginning with 'linguist Yuri Knorozov' correctly aligns with this modifier. The options beginning with 'the determination,' 'phonetic syllables,' and 'the research' result in dangling modifiers because those concepts cannot perform the action.
Standard English requires that an introductory modifying phrase be followed immediately by the noun or pronoun it modifies.

Key Concept

Subject-Modifier Agreement
Estimated Time:1m 0s
Question 33Question →

First discovered in the depths of the Pacific Ocean in 1977, ________. These vents emit superheated, mineral-rich water, fueling ecosystems that do not rely on sunlight for energy.

Which choice completes the passage so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: hydrothermal vents have since provided scientists with crucial insights into the origins of life on Earth.

Answer

hydrothermal vents have since provided scientists with crucial insights into the origins of life on Earth.
The correct option correctly places 'hydrothermal vents' as the subject of the sentence, immediately following the introductory modifying phrase 'First discovered in the depths of the Pacific Ocean in 1977,' which logically describes the vents. The other choices create dangling modifiers by placing 'scientists,' 'insights,' or 'the study' as the subject immediately following the modifier.

Step-by-Step Solution

1
Identify the introductory modifying phrase.
The phrase is 'First discovered in the depths of the Pacific Ocean in 1977.'
This phrase contains a past participle ('discovered') and describes a specific noun or pronoun that must immediately follow the comma.
2
Determine the logical subject of this modifier.
The thing that was 'discovered in the depths of the Pacific Ocean' is the 'hydrothermal vents.'
The sentence context refers to geological vents, not scientists, insights, or the abstract study of the vents.
3
Select the option that begins with the correct logical subject.
The correct option starts with 'hydrothermal vents' as the subject of the main clause.
Placing any other noun or pronoun immediately after the comma results in a dangling modifier error.

Key Concept

Subject-Modifier Agreement
Question 34Question →

Complete the passage by filling in the blank with the noun or pronoun that ensures proper subject-modifier agreement.

Fill in the blanks below

Analyzing data from a newly constructed radio telescope in 1967, astrophysicist Jocelyn Bell Burnell noticed a series of extremely regular radio pulses. By carefully ruling out potential sources of terrestrial interference, proved that these signals originated from rapidly rotating neutron stars, which are now known as pulsars.
Show answer & explanation

Answer

Jocelyn Bell Burnell (or the pronoun 'she')
The introductory modifying phrase 'By carefully ruling out potential sources of terrestrial interference' describes an action that can only be logically performed by a person. In this context, the astrophysicist Jocelyn Bell Burnell is the individual who investigated the signals and ruled out interference. Thus, starting the main clause with 'Jocelyn Bell Burnell' or the pronoun 'she' establishes a correct and logical subject-modifier agreement.

Step-by-Step Solution

1
Identify the introductory modifying phrase and determine what or who it logically describes.
The modifying phrase is 'By carefully ruling out potential sources of terrestrial interference'. The entity performing the action of 'ruling out' must be a logical, conscious agent.
In English grammar, modifiers must clearly and logically modify the subject that immediately follows them.
2
Identify the subject from the context that matches the modifier.
The context identifies astrophysicist Jocelyn Bell Burnell as the person analyzing the data. Therefore, she is the agent who ruled out the interference.
To avoid a dangling modifier error, the subject immediately following the modifying phrase must be the noun or pronoun representing the person who performed the action.

Key Concept

Subject-Modifier Agreement
Question 35Question →

Using a highly specialized spectrograph to observe distant stars, ________. This work ultimately led to the discovery of the first exoplanet orbiting a sun-like star.

Which choice completes the text so that it conforms to the conventions of Standard English?

Show answer & explanation

Answer: astronomer Michel Mayor detected the subtle gravitational tug of an orbiting planet

Answer

astronomer Michel Mayor detected the subtle gravitational tug of an orbiting planet
The introductory modifying phrase 'Using a highly specialized spectrograph to observe distant stars' describes an action that must be performed by a person. The correct answer choice begins with the logical subject 'astronomer Michel Mayor,' placing the person who performed the action immediately after the modifier.

Step-by-Step Solution

1
Identify the introductory modifying phrase and determine who or what it logically describes.
The phrase 'Using a highly specialized spectrograph to observe distant stars' describes an action that must be performed by a person (an astronomer) rather than an inanimate object or an abstract concept.
An introductory modifier must be immediately followed by its logical subject to avoid dangling or misplaced modifiers.
2
Evaluate the options to find the one that begins with the logical subject.
The option starting with 'astronomer Michel Mayor' correctly places the person performing the action immediately after the comma.
This alignment ensures proper subject-modifier agreement and conforms to the conventions of Standard English.

Key Concept

Subject-Modifier Agreement
Question 36Question →

Which noun logically completes the passage to ensure proper subject-modifier agreement?

Fill in the blanks below

A highly efficient method of heat transfer in fluids, occurs when warmer, less dense areas of a liquid or gas rise while cooler, denser areas sink. This process plays a vital role in atmospheric circulation and ocean currents.
Show answer & explanation

Answer

convection
The introductory appositive phrase 'A highly efficient method of heat transfer in fluids' must modify a singular noun that describes a method of heat transfer. The noun 'convection' perfectly fits this description and serves as the subject of the clause.

Step-by-Step Solution

1
Analyze the introductory modifier of the sentence.
The phrase 'A highly efficient method of heat transfer in fluids' is a singular appositive noun phrase.
The noun that follows this modifier must be a singular concept representing a method of heat transfer in fluids to ensure correct grammatical agreement.
2
Determine the physical process described in the rest of the sentence.
The text describes a process where warmer, less dense areas rise and cooler, denser areas sink.
This description defines the physics concept of convection.
3
Combine the modifier and the correct noun to complete the sentence.
Inserting 'convection' immediately after the introductory phrase establishes proper subject-modifier agreement.
Since 'convection' is a singular noun representing this specific method of heat transfer, it correctly agrees with the introductory modifier.

Key Concept

Subject-Modifier Agreement
Estimated Time:1m 0s
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