can’t +have done

can’t +have done musn't have done can't have done用法区别 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 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 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? should have done ,shouldn't have done.could have done,couldn't have done I couldn’t have hoped for a better outcome什么意思,另外can't have done和couldn't have done什么区别 区别shouldn't have done 和 needn't have done can have done和 could have done有什么区别?那can have done什么用法？