有mustn't have done这个结构么?表示什么?mustn't have done这个结构是表示“对过去事情的很否定的推断”呢还是表示虚拟“本禁止做某事可实际上却做了”,还是说根本就没有这种结构?有没有例子

mustn't have done和can't have done的区别最好有例子 有没有这个说法:I mustn't have been a doctor.可以说mustn't`````吗? 可用mustn't have done表示对过去的推测吗?若可以,那这个结构与can't have done有区别吗?可以的话,请提供相应的信息来源.本人不甚感激~ 有mustn't have done这个结构么?表示什么?mustn't have done这个结构是表示“对过去事情的很否定的推断”呢还是表示虚拟“本禁止做某事可实际上却做了”,还是说根本就没有这种结构?有没有例子 Thanks.You ______ it.I could manage it myself A.needn’t doB.needn’t have done C.mus...Thanks.You ______ it.I could manage it myself A.needn’t doB.needn’t have done C.mustn’t do D.shouldn’t have done中B和D有什么区别?Catherine,I have 关于英语ought to have done 与should have done的区别 有need have done needn,t have done 与should hneedn,t have done 与shouldn't have done 区别有need have done can’t +have done It was ,I should say,very kind of you to come all the way to help them,but you ___.A.didnt have to B.wouldnt have doneC.mustnt have done D.mightnt have done It was very kind of you to do the washing?up,but you _______ it.a、mustn’t have done b、 wouldn’t have donec、 mightn’t have done d、 didn’t have to do为什么? couldn't have done和mightn't have done有什么区别 must 和 have to 有什么不一样?mustn't 和 don't have有什么不一样? can have done和could have done有无区别?can't have done和couldn't have done有无区别?如果有,区别是什么? 13.You _________in such a hurry just now.Look,there is plenty of time left.A.don't have to do it B.needn't have done it C.wouldn't do it D.mustn't have done it --Catharine,I have cleaned the room for you.--- Thanks.You ________ it.I could manage it myself.A needn’t do B.needn’t have done C.mustn’t do D.shouldn’t have done为何不选A He must have been punished yesterday by his parents for what he had done.___ he?A,mustn't B.wasn't C.didn't D.needn't 1、shouldn't have done mustn't have done can't havedone 有什么区别？请举例2、a second time the second time 3、in good order 和 in a good order 什么区别？4、作文中可以运用的连词 如 、 因为 但是 所以 有没有什么 i got up early that morning,but i__so because i had no work to do.A.mustn't have done B.didn't need to do C.needn't have done D.must have to studyB为什么不对 It was very kind of you to do the washing-up but you _____ itA. needn’t do B. shouldn’t do C. mustn’t have done D. needn’t have done