sth.couldn't have gone better 是什么用法,意思是什么呢

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? sth.couldn't have gone better 是什么用法,意思是什么呢 can’t / couldn’t have the movie bored me to death.Iwish I______to it.a.hadn't gone b.didn't go c.couldn't have gone d.couldn't go couldn't have done和couldn't do的区别 help!I __ with you because I was in London at the time.A couldn't go B couldn't have gone C shouldn't have gone D needn't have gone I ______ with you because I was in London at the time.A、 couldn't go B、 couldn't have gone C、shouldn't have gone D、needn't have gone He has got a bad cold.He___last night.A,mustn't go out B,needn't have gone out c,couldn‘t have I couldn’t have said it better. they couldn't have done better是什么意思 i couldn't have enjoyed any more I couldn't have the opportunity (because I had to go back to school.)(括号部分提问) 英语问题 Without the help of our teachers,we_____ our dreams to go to college last year.A .shouldn't have realized ; B couldn't realize ; C. couldn't have realized; D. dared no realizeD. dared not realize [请教]高二英语单选题1.She_____the book sometime in the past,or she ____the question so well.A.must have read; couldn't have answeredB.must read; couldn't have answeredC.must have read; couldn't answerD.must have read; can't answer2.We are go A:Must l finish reading the book today?B:No,you___if you have sth else to do.A.mustn't B.couldn't C.can't D.don't have to couldn't don't have to needn't的区别 get sth.through one's 如题语境是Jack couldn't get it through his head that his father wouldn't let him go to camp if his grades didn't improve. He has got a bad cold.He ______ last night.mustn't go out needn't have gone out couldn't have gone out shouldn't have gone out