He ought ( ) have done so even if possible.not to ,not ,never选哪个?求理由

he didn't do well in the exam.he ought to have wrked hard at his lesson.为什么用ought to He ought not to have done so even if possible. --He hasn't gone to the office up to now --well.he ____.A.ought to B.ought to have ought to do和have to do以及should do有什么区别? have to do .should do .ought to do .must.的区别 Jack admitted that he ought not to have taken away the book,_____?A.oughtn't he B.ought he C.didn't he D.did he Jim wanted to go to the cinema,but he had lots of homework to do,so he __ stay at home to do itA have toB had toC ought toD should he has not finished yet.A:he ought to have .B;he ought to have done.该用A还是B?为什么/ should/ ought to have He didn’t pass the final examination.He ______ it.选项:a、must have prepared forb、ought to prepare forc、ought to have prepared ford、ought to prepare for ( )we begin our lessonA.do B.shall C.ought D.have last night Tom didn't come,but he ought to have怎样解析? He ought ( ) have done so even if possible.not to ,not ,never选哪个?求理由 He ought not to have done so ever if possible.怎么翻译? -----I didin't give him a hand when he was in trouble.-----A.should B.ought to haveC.ought to doD.should do为什么选B should ought to have done M.r Zhang,what should I do after finishing the work?I think you ought to have a rest.为什么不用 ought to 提问? 英语翻译He was punished.he _____the red light.a.couldn't have jumped b.shouldn't have jumpedc.mustn't have jumped d.ought to not have jumped