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has written wrote had written was writing
in; in up; up up; in in; up
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has been to has gone to has been away has left
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hasn’t he isn’t he mustn’t it isn’t it
hasn’t he isn’t he mustn’t it isn’t it
A. must can shouldn’t can’t
Have you seen Mr.Smith? Where has Mr.Smith gone? How about Mr.Smith? Hello, Mr.Smith.
Hasn’t he isn’t he mustn’t it isn’t it
may not mustn’t can’t needn’t
may not needn’t can’t mustn’t
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