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(= I can't find it now) O Did you see Kate on Saturday? O Ben has gone home. ?: O When did you buy your computer? (not When have you bought) O W hat tim e did Andy go out? (not W hat time has Andy gone out) Compare: present perfect past O I have lost my key.
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(not I have seen) O Where were you on Sunday afternoon? (not Where have you been) O We didn't have a holiday last year (not We haven't had) O 'W hat did you do last night?' 'I stayed at home.' O William Shakespeare lived from 1564 to 1616. past now Do not use the present perfect (have arrived / have done / have been etc.) with a finished time: O I saw Paula yesterday.
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