shouldn't have done couldn'd have done should have done could have done 他们的意思到底 实际有没有做就是比如说第一个的意思 到底实际上有没有做很纠结啊

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shouldn't have done couldn'd have done should have done could have done 他们的意思到底 实际有没有做就是比如说第一个的意思 到底实际上有没有做很纠结啊
shouldn't have done couldn'd have done should have done could have done 他们的意思到底 实际有没有做
就是比如说第一个的意思 到底实际上有没有做
很纠结啊

shouldn't have done couldn'd have done should have done could have done 他们的意思到底 实际有没有做就是比如说第一个的意思 到底实际上有没有做很纠结啊
1.should have done 本应该做而实际未做,表示后悔的虚拟语气.
2.shouln't have done 本不应该做而实际做了.如:he was very sad now. I shouldn't have scolded him.
3.could have done 表示本可以(有能力)做,而实际未做.I could have finished my work on time, but I wasted a lot of time chatting on line.
4.couldn't have done 与前三者不一样,不表示后悔,责备的语气.而表示比较肯定的猜测语气,翻译为:(过去)不可能做.如:Tom couldn't have broken the window,beause he was watching TV at home at that moment.

在modal verb後加n't通常都是否定的意思
例如you should do your homework
意思是你应该做家课
但如果should後加n't
即shouldn't
变成you shouldn't do your homework
意思变成完全相反
即你不应该做家课

本来不应该做却做了,本来不能却能做,本来应该做却没做,本来能做却没做

区别shouldn't have done 和 needn't have done shouldn't have done 和shouldn't do 区别 should have done ,shouldn't have done.could have done,couldn't have done 英语中何时使用wouldn,t have done shouldn,t have done couldn,t have done needn,t have donewouldn have done shouldn have done could have done needn have done 呢 should have done和shouldn't have done,couldn't have shouldn’t have done的几个意思英语 shouldn’t have done是虚拟语气么? Xiao Li,you shouldn't have done it. 求两组英语句型的解释could have done 和 couldn't have doneshould have done 和 shouldn't have done shouldn't have done和wouldn't have done的意思 needn't have done与shouldn't have done的区别? 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 should have done 它的否定式是 shouldn't have done 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 You shouldn't have 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 you.shouldn't.have.done.it翻译成你们本来就不应该这么做!可以? 你不该对长辈那样大声嚷嚷.翻译英语,用上shouldn‘t have done.