to have done怎么理解,这个是不定式的完成时,可以举例子说明吗?to do 是表将来,未完成的,have done 是已经做过的,组合在一起怎么理解?

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tohavedone怎么理解,这个是不定式的完成时,可以举例子说明吗?todo是表将来,未完成的,havedone是已经做过的,组合在一起怎么理解?tohavedone怎么理解,这个是不定式的完成时,

to have done怎么理解,这个是不定式的完成时,可以举例子说明吗?to do 是表将来,未完成的,have done 是已经做过的,组合在一起怎么理解?
to have done怎么理解,这个是不定式的完成时,可以举例子说明吗?
to do 是表将来,未完成的,have done 是已经做过的,组合在一起怎么理解?

to have done怎么理解,这个是不定式的完成时,可以举例子说明吗?to do 是表将来,未完成的,have done 是已经做过的,组合在一起怎么理解?
to have done 是不定式的完成结构 表示这个动作发生在谓语动作之前 所以要用完成结构
He is said to have lost his car.比如这个句子的谓语动词的 is said 但是 lose his car 这一动作发生在谓语动词 said 之前 所以非谓语要用 完成式

英语中to have done 表示发生在谓语动词之前的动作
eg . He seemed to have seen the film .
He is said to have gone abroad to study .

I go out to have my hair cut. 这个答案行不行

I've come to talk to Ross 这句话怎么理解?一般不都是have done 这个怎么是have come to do to have done怎么理解,这个是不定式的完成时,可以举例子说明吗?to do 是表将来,未完成的,have done 是已经做过的,组合在一起怎么理解? To.have.been.done应该怎么翻译 to have been done 怎么用 OBAMA这个话怎么理解?For they have forgotten what this country has already done; what free men and women can achieve when imagination is joined to common purpose,and necessity to courage.其中necessity to courage 是跟在哪的?For they have to have done有这个东西吗 有的话怎么用? 不是有have sth done这个句型么?那为何是have anything to repair而不是have anything repaired? 歌曲中含有TO DO :TO BE DONE :TO HAVE BEEN DONE :TO HAVE DONE是班主任让查的, have done to considered to do和considered to have done怎么区分 should have done You should have got on your knee?中should have done 该怎么理解? to have been done 有这个形式吗? You would be done by该怎么理解这个句子? have something done和need to be done如题 请问have to be done ,need to be done怎么使用?是什么时态?表示什么时间段? have been done 和 to be done i have to get my hair done. 怎么翻译? have done-- 现在完成时 理解这个短语已经做了什么吗?那么过去完成时had done---该怎么去理解呢?那时已经做了什么可以吗?(135) My parents died young,I have done well in this respect as regards my other ancestors.这个句子之间怎么没有连接词?后半句怎么理解?