第1个回答 2011-04-27
I could not have done this without you. 没有你我绝对办不到
You Might have Done this Before… 以前可能你已经做过了
you should have done this work before dinner.你应该在晚饭前把这件事做完
I got up early , I needn't have done so , because I had no work to do that morning .
我起床起得很早，但我本来不必起那么早的，因为我那天早上没什么事做。（I needn't have got up early,because i had no work to do that morning）
.I wouldrather have something done right 不过，我还是宁愿把事情做对。
第2个回答 2011-04-27
陈述句 I am a student. I like English. She speaks Chinese.
疑问句 Are you a student? Do you like English? Does she speak Chinese?
否定句 I‘m not a student.. I don't like English. she doesn't speak Chinese.
一般过去时 I was a student last year. I finished my job yesterday.
Were you a student last year? Did you finish your job yesterday?
I wasn't a student last year. I didn"t finish my job yesterday.
一般将来时 They will have a meeting this afternoon.
Will they have a meeting this afternoon?
They won't have a meeting this afternoon.
过去将来时 she would visit London .
Would she visit London?
She wouldn't visit London.
现在进行时 He is watching TV.
Is he watching TV?
He isn't watching TV.
现在完成时 We have cleaned the classroom.
Have you cleaned the classroom?
We haven't cleaned the classroom.
过去完成时 They had learned 3000 words by the end of last term.
Had they learned 3000 words by the end of last term?
They hadn't learned 3000 words by the end of last term I could not have done this without you. 没有你我绝对办不到
You Might have Done this Before… 以前可能你已经做过了
you should have done this work before dinner.你应该在晚饭前把这件事做完
I got up early , I needn't have done so , because I had no work to do that morning .
我起床起得很早，但我本来不必起那么早的，因为我那天早上没什么事做。（I needn't have got up early,because i had no work to do that morning）
.I wouldrather have something done right 不过，我还是宁愿把事情做对。
第3个回答 2011-04-29
i could have pass the exam if i followed the teacher's advice我本可以通过考试如果我听取老师的意见
1和2一样的啦
3是should have done 吧i should have wash my cloth yesterday 我昨天本该洗衣服的
you needn't have water the flowers because it is raining outside now你没有必要浇花因为外面正在下雨
i would rather have stared at home我宁愿呆在家里
第4个回答 2011-04-28
1.He could have gone together with Jane to the cinema last night.
他昨晚可能和琼一起去看电影了。
2.The thief might have escaped away under the ignorance of the policemen.
贼也许趁警察不注意逃走了。
3.You should/ought have accomplished the homework the day before yesterday.
你前天就该把作业完成了。
4.Do you know that you needn't have spent all of your lesure time on my affairs?
你知道吗？其实你不必把你的时间全部用来管我的事情？
5.To be honest, I would rather he have not told me the truth of my failure.
说实在的，我宁愿他没有告诉我我失败的事实。