musn't have done can't have done用法区别

musn't have done can't have done用法区别 can’t +have done I sent an MP4 to Alice by mail just now.You___so.She is coming tomorrowA.needn't doB.needn't have doneC.musn't do D.musn't have done can't have done 的用法 can't be和can't have done must have done,must do,can't have done,can't do的区别 musn't be 和can't be的区别 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? mustn't have done和can't have done的区别最好有例子 could't have done和can't have done的区别 can't be done.should be done.should have done什么意思哈.. can have done could have done should have done should to do shouldn't have done shouldn't to do还有needn't have doneneedn't domustn't have donemay not have donemight not have done You __ wear sports shoes when you climb a mountain.A.can't B.shouldn't C.musn't D.have to 用must have been/done或can*t have been/done 改写句子 can't have been和can' have done有什么区别或者must have been和must hane done;may have been和may have done 情态动词＋have donemust have done/can't have doneshould have done/shouldn't have doneneed have done/needn't have donemay(might) have done/haven't donecould have done/couldn't have donewould have done/wouldn't have done如何用?我这样分正 有没有can have done sth?could have done sth有两种意思吗?can't/couldn't have done sth意思又是什么能不能举几个例子? can、may、must开头的问句怎么回答?can't和musn't有什么区别?