Practice NAT English questions with answers and explanations.
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Obligatory 'must' often changes to 'had to' in past reported speech.
'Now' changes to 'then.'
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'Should you need' is a formal inverted conditional meaning 'If you should need.'
It expresses a possible future condition.
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'Shall I' seeking guidance is often reported with 'should.'
The yes-no question uses 'whether' and statement word order.
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Future condition clauses normally use the simple present, not 'will.'
The future result appears in the main clause.
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A comma separates the reporting clause from the quotation.
The final period is placed inside the closing quotation mark in this style.
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'Provided that' introduces a condition and takes the simple present for future reference.
Following the rules is required for participation.
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The zero conditional expresses a general scientific result.
Both clauses normally use the simple present.
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'If only' plus the past perfect expresses strong regret about a past action.
The map was not checked before departure.
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The first conditional describes a realistic future possibility.
The result clause uses 'will' plus the base verb.
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'As if' can take a past form to indicate an unreal present impression.
'Knew' suggests that he does not actually know everything.
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The second conditional describes an unreal or unlikely present situation.
Its result clause uses 'would' plus the base verb.
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After 'It is time,' English often uses a past form for a present or immediate action.
'Went' expresses that the action is overdue.
