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Difficulty: MediumConjunctions and Clause Structure

Not only _______ the historic manuscripts during the restoration project, but they also cataloged the entire collection of ancient coins. Which of the options correctly completes the sentence?

  1. did the archivists preserveAnswer
  2. B
    the archivists preserved
  3. C
    did the archivists preserved
  4. D
    had the archivists preserve

Answer

did the archivists preserve
The clause structure demands subject-auxiliary inversion because it commences with the restrictive correlative element 'Not only'. In simple past tense constructions, inversion is formed using the auxiliary 'did' followed by the subject 'the archivists' and the base verb 'preserve'.

Step-by-Step Solution

1
Identify the clause structure and initial conjunction in the sentence stem.
The sentence begins with the fronted negative/restrictive correlative conjunction 'Not only'.
Initial negative connectives trigger mandatory subject-operator inversion in the main clause.
2
Determine the required grammatical inversion pattern for a past simple narrative context.
The auxiliary verb 'did' must precede the subject 'the archivists', followed by the plain infinitive form of the main verb 'preserve'.
Inverted structures using the auxiliary 'did' require an uninflected bare verb stem.
3
Select the option matching the inverted auxiliary structure 'did + subject + base verb'.
The phrase 'did the archivists preserve' correctly completes the clause structure.
It maintains proper correlative conjunction rules and auxiliary-verb agreement.

Key Concept

Subject-Auxiliary Inversion with Fronted Correlative Conjunctions
Estimated Time:1m 0s
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Topics

Conjunctions and Clause Structure

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