shouldn't have done couldn'd have done should have done could hav_英语解答

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

人气：240 ℃　时间：2019-08-18 09:08:39

解答

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...你确定吗第四个和前三个不一样？？？