the man would have been saved if a helicopter ___(be)available.空格处为什么填had been呢?主句不是过去完成时吗?那从句为什么也用过去完成时呢?为什么不再往后推一个时态呢?都快搞混了

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 17:08:04

the man would have been saved if a helicopter ___(be)available.空格处为什么填had been呢?主句不是过去完成时吗?那从句为什么也用过去完成时呢?为什么不再往后推一个时态呢?都快搞混了

if 引导的句子,主句若是现在完成时,从句则用过去完成时.主句have been 是现在完成时,则从句用过去完成时had been.
不知道这样解释楼主清楚了吗?

had been是过去完成时,没错,主句是现在完成时哦,看清楚咯,have been!

主句是现在完成时

英语听力选择题,并说明理由Man:Have you been to the hospital this morning?Woman:Oh,I thought you would have gone there.Q:Who went to the hospital?A.The man B.The woman C.Neither of them The young man has made so much noise that he ( ) not have been allowed to attend the concertA could B must C would D should we would like to say that never before_____ so movinga film as The Man Returning from BattlefieldsA had we seen B have we seen The old man ___ in bed for several years.A:was B:has been C:have been D:would be哪个选项正确拜托 fortunately,the young man brought a map on his trip without_____ he would have lost his way.A that B which C it D what the man would have an accident if he( )more careA.didn't take B.won't take C.hasn't taken D.is not taking He asked the man i______he would like to have lunch with him. 英语在线问答Any man in his position _____like that.A.have done B.would have done C.would be done D.would be doing Any man in his position _____like that.A.have done B.would have done C.would be done D.would be doing为什么? have的用法they would have the man----if they thought it necessaryA.to be followed B.to follow C.following D.followed请问有没有have sb to do? nearly 70%women say they would marry a man only if he ___an apartment ,according to a national report.A has B would have C had D had had the answer is C,.tell me why ,thank you ,translate it Any man in his position___like that.A.have done.Any man in his position___like that.A.have done.B.would have done C.would be done D.would be doing Don't you remember _____?A.seeing the man before B.to seeing the man beforeC.saw the man before D.to have seen the man before Even if we had told him her name,the old man would not have remembered the girl的意思? A:Look what I have got here.B:Oh,so you did go to that bookstore?What did the man assume previously?She would go to the bookstore later. ()you like to give your seat to the old man?A.would B.will If the poor man were rich,he would not have time to make so much noise.翻译成中文 并说明原因,1.Mary my letter; otherwise she would have replied before now.A.couldn't have received B.ought to have received D.shouldn't have received.2.My pain apparent the moment i walked into the room,for the first man i met asked sympathetical