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Soru

Zorluk: ZorSubject-Verb Agreement

In paleoclimatology, researchers study ice sheets to reconstruct historical atmospheric compositions. The analysis of ancient ice core cylinders extracted from deep polar ice sheets, which contain atmospheric gases trapped thousands of years ago, _______ key evidence of past climate fluctuations. By examining these samples, scientists can improve the accuracy of future climate projection models.

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

  1. providesCevap
  2. B
    provide
  3. C
    providing
  4. D
    have provided

Cevap

provides
The singular verb 'provides' correctly agrees with the singular subject 'analysis.' The intervening plural nouns in the prepositional phrase ('cylinders,' 'sheets') and the relative clause ('gases') do not affect the grammatical number of the main verb.

Adım Adım Çözüm

1
Identify the subject of the clause.
The subject is the singular noun 'analysis.'
The main verb must agree in number with the head noun of the subject noun phrase.
2
Identify any intervening phrases or clauses and ignore them.
The prepositional phrase 'of ancient ice core cylinders extracted from deep polar ice sheets' and the relative clause 'which contain atmospheric gases trapped thousands of years ago' contain plural nouns ('cylinders', 'sheets', 'gases') but do not change the singular nature of the subject.
Intervening phrases and clauses modify the subject but do not change its grammatical number.
3
Determine the correct verb form to match the singular subject.
The correct verb must be third-person singular, which is 'provides.'
A singular subject requires a singular verb form to maintain grammatical agreement.

Anahtar Kavram

Subject-verb agreement requires the verb to match the grammatical number of the true subject, regardless of intervening prepositional phrases or relative clauses containing nouns of a different number.
Bu soruyu puanla

Konular

Subject-Verb Agreement

Bu konudan daha fazla soru