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否定式的常見縮寫形式

系動(dòng)詞be、助動(dòng)詞、情態(tài)動(dòng)詞的否定形式一般可以縮寫成為一種簡略的形式。如：

is not—isn’t                                are not—aren’t

was not—wasn’t                         were not—weren’t

has not—hasn’t                           have not—haven’t

will not—won’t                           would not—wouldn’t

shall not—shan’t                         should not—shouldn’t

do not—don’t                              did not—didn’t

ought not—oughtn’t                     dare not—daren’t

used not to—usedn’t / didn’t use to