Practice NAT English questions with answers and explanations.
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'Students' is a plural countable noun.
'Several' correctly indicates an unspecified number greater than two.
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'Money' is an uncountable noun.
'Much' is used in questions with uncountable nouns.
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'Books' is a plural countable noun.
'Many' is used to ask about the number of countable items.
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'Water' is uncountable, so the comparative quantifier is 'less.'
'Fewer' is used with plural countable nouns.
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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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'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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'Need not' means there is no necessity to bring food.
It does not imply that bringing food is forbidden.
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'Shall we' is commonly used to make a suggestion or seek agreement.
The speaker is proposing that the presentation begin.
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'Should' gives advice or recommends a sensible action.
Regular practice is presented as the proper course.
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'Cannot be' expresses a strong negative deduction.
The recent sighting at the office makes his being at home impossible.
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'Need not have bought' means the action was completed but proved unnecessary.
It differs from 'did not need to,' which may mean the action was not done.
