按要求改写句子（初一英语)

按要求改写句子（初一英语)
1.my father has already gone home（变否定句） my father------ -------home-------.
2.i haven't been to shanghai yet（变肯定句） i ------ ------- ------to shanghai twice
3.he has been there twice（对twice提问）------- -------- ------- --------he-------there

/>my father has already gone home（变否定句） my father-( hasn't gone ) home( yet ).
2.i haven't been to shanghai yet（变肯定句） i ( have already been )to shanghai twice
3.he has been there twice（对twice提问）( How many times has ) he ( been ) there?

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