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Question

Difficulty: HardVerbs, Tenses, and Aspect

Read the sentence below and complete it with the grammatically appropriate verb structure. Which form of the verb correctly completes the sentence to express the unfulfilled past condition?

Answer:Had the archived epidemiological records 【been digitized】 before the rainy season began, the health department would have contained the outbreak much sooner.

Answer

been digitized
The sentence relies on an inverted third conditional pattern where 'Had' precedes the subject 'the archived epidemiological records'. To complete the past perfect passive verb phrase indicating an unfulfilled past event, the correct verb construction requires the auxiliary participle 'been' alongside the past participle 'digitized' (or 'catalogued').

Step-by-Step Solution

1
Analyze the conditional structure of the sentence.
The sentence opens with an inverted auxiliary verb 'Had' followed by the subject 'the archived epidemiological records', indicating an inverted third conditional clause.
Inverted third conditional clauses invert the auxiliary 'had' with the subject to express a hypothetical, unfulfilled condition in the past.
2
Identify the voice and aspect required for the verb phrase.
The subject ('archived epidemiological records') is passive relative to the action of digitizing, necessitating a past perfect passive construction ('had been digitized').
Because 'Had' is already placed at the start of the clause, the blank must be filled by the passive participle 'been' paired with the past participle 'digitized'.

Key Concept

Inverted Third Conditional with Passive Voice Aspect
Estimated Time:1m 30s
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Topics

Verbs, Tenses, and Aspect

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