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Zorluk: ZorSubject-Verb Agreement

In the study of ancient architectural acoustics, the presence of specific structural resonances within prehistoric subterranean chambers _______ a sophisticated understanding of sound manipulation among early builders. While some researchers attribute these acoustic features to chance, others argue that the intentional shaping of the cave walls shows deliberate design.

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

  1. A
    illustrate
  2. B
    are illustrating
  3. illustratesCevap
  4. D
    have illustrated

Cevap

illustrates
The singular verb 'illustrates' correctly agrees in number with the singular subject 'presence'. The intervening prepositional phrases 'of specific structural resonances' and 'within prehistoric subterranean chambers' contain plural nouns, but they function as modifiers and do not affect the grammatical number of the subject.

Adım Adım Çözüm

1
Identify the subject of the sentence containing the blank.
The subject is the singular noun 'presence'.
Determining the subject is necessary to establish the correct verb agreement.
2
Analyze the words between the subject and the blank to avoid distraction.
The phrase 'of specific structural resonances within prehistoric subterranean chambers' is an intervening prepositional modifier containing plural nouns ('resonances', 'chambers') but does not change the singular nature of the subject 'presence'.
Identifying intervening phrases prevents agreement errors caused by proximity.
3
Select the verb form that is singular and fits the simple present tense of the passage.
'illustrates' is the singular, simple present form of the verb.
A singular subject requires a singular verb, and a general academic statement requires the simple present tense.

Anahtar Kavram

Subject-Verb Agreement with Intervening Phrases
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Konular

Subject-Verb Agreement

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