Practice NET English questions with answers and explanations.
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'May' is used to ask for permission in a polite, formal way.
The sentence requests permission to borrow the pen.
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'Could' expresses general ability in the past.
The time phrase 'when she was five' requires a past modal.
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'Should have' expresses criticism or regret about a past action not performed.
The speaker believes earlier information was the proper action.
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'May have' expresses a possible explanation for a past event.
The evidence is suggestive but not conclusive.
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'Must be' expresses a strong logical deduction based on evidence.
The long working period makes exhaustion highly likely.
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'Must not' expresses prohibition.
'Need not' would mean the action is unnecessary, not forbidden.
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The sentence describes a repeated habit in a finished past period.
The simple past is appropriate.
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The action continued for a duration before another past event.
The past perfect continuous emphasizes that ongoing earlier activity.
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The recent continuous activity explains a present result.
The present perfect continuous highlights duration and current effect.
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This is a real future condition using the first conditional pattern.
The main clause takes 'will' plus the base verb.
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Scientific facts and general truths use the simple present tense.
Therefore, 'moves' is correct.
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'Yet' in a negative sentence commonly refers to an unfinished action up to now.
The present perfect is the natural tense.
