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Question

Difficulty: EasyVerbs, Tenses, and Aspect

Complete the sentence below by providing the correct past participle form of the verb in brackets.

Answer:By the time the invigilator entered the hall, the examination had already 【begun】.

Answer

begun
The sentence uses the past perfect tense ('had' + past participle) to express an action that took place prior to another past action. The correct past participle form of 'begin' is 'begun'.

Step-by-Step Solution

1
Analyze the grammatical structure of the sentence.
The clause contains the auxiliary verb 'had', which indicates the past perfect tense.
The past perfect tense is used to describe an event that happened before another past event ('entered').
2
Select the correct form of the verb 'begin'.
The past participle form 'begun' is required after the auxiliary 'had'.
The verb 'begin' inflects as begin (base), began (simple past), and begun (past participle).

Key Concept

Past Perfect Tense and Irregular Verb Forms
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Topics

Verbs, Tenses, and Aspect

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