She _ the entire room by herself.
Correct answer: A. Cleaned
- A. Cleaned
- B. Clean
- C. Cleaning
- D. Had cleaning
Explanation
The correct answer is 'cleaned' because the sentence describes an action completed in the past. 'Clean' is the base form and doesn't convey past action. 'Cleaning' suggests a continuous action, which doesn't fit the sentence structure. 'Had cleaning' is grammatically incorrect; the past perfect tense requires 'had cleaned'.
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Tenses show when an action or state occurs and whether it is complete, continuing or repeated. The work covers present, past and future forms, including simple, continuous, perfect and perfect continuous constructions, as well as sequence of tenses and the difference between tense and aspect.
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