Choose the correct auxiliary: ‘They ___ waiting when we arrived.’
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The past continuous uses a past form of 'be' plus an -ing form.
The plural subject 'they' takes 'were.'
Practice Pakistan questions with answers and explanations.
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The past continuous uses a past form of 'be' plus an -ing form.
The plural subject 'they' takes 'were.'
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'Would' can describe habitual actions in a past period.
The repeated winter visits illustrate this use.
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'Must' expresses a strong obligation or legal requirement.
Wearing a seat belt is presented as compulsory.
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'Are required to' expresses an official obligation clearly.
The deadline makes the action mandatory.
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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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'Ought to' expresses advice or moral expectation.
Seeing a doctor is recommended if the condition continues.
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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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The fixed expression 'would rather' states a preference.
It is followed by the base form of the verb.
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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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This is an inverted third conditional referring to an unreal past situation.
The result clause correctly uses 'would have' plus past participle.
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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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'Honest' begins with a vowel sound because the h is silent.
The article 'an' is used before a vowel sound.