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Question

Difficulty: EasyVerbs, Tenses, and Aspect

The students ________ their examination when the sudden power outage occurred. Which option best completes the sentence?

  1. were writingAnswer
  2. B
    are writing
  3. C
    have written
  4. D
    write

Answer

The past continuous verb form 'were writing' correctly describes an action that was ongoing in the past when another event interrupted it.
The past continuous phrase 'were writing' is grammatically correct because it indicates an action that was actively taking place over a duration in the past when it was interrupted by the simple past event 'occurred'.

Step-by-Step Solution

1
Analyze the time frame of the main and subordinate clauses.
The clause 'when the sudden power outage occurred' uses the simple past tense ('occurred'), establishing a past context.
Verb tenses in complex sentences must maintain proper temporal alignment.
2
Identify the relationship between the two past actions.
The examination writing was an ongoing activity in progress, while the power outage was an interrupting single past event.
An ongoing past action interrupted by another past action requires the past continuous tense (was/were + present participle).

Key Concept

Past Continuous Aspect with Interrupted Past Action
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Topics

Verbs, Tenses, and Aspect

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