They have known him___to have been arrested_____(arrest) by
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They have known him___to have been arrested_____(arrest) by the police.划线上为什么用不定式的被动语态啊,应该没有know sb to
还有为什么是不定式被动语态的完成时啊,主要是两点:1.为什么是用不定式 2.为什么是完成时态
还有为什么是不定式被动语态的完成时啊,主要是两点:1.为什么是用不定式 2.为什么是完成时态
动词不定式是属于非谓语动词 你要考虑 非谓动词和其主语的关系 他的主语是him 而不是they him 和 arrest之间是被动关系 所以用被动语态 即动词不定式的被动语态.
至于为什么是完成时态 你要看 arrest 和know之间的时间顺序 肯定是先arrest 才know 对吧 know已经用了完成时态 arrest 肯定是过去完成时 可是动词不定式不能写成 to had done 结构 只能用to have done 来代替 又因为是被动语态所以是 to have been done
至于为什么是完成时态 你要看 arrest 和know之间的时间顺序 肯定是先arrest 才know 对吧 know已经用了完成时态 arrest 肯定是过去完成时 可是动词不定式不能写成 to had done 结构 只能用to have done 来代替 又因为是被动语态所以是 to have been done
They have known him___to have been arrested_____(arrest) by
--- Have clothes been washed yet?---Yes,they _____ (wash)by
They will have been married for 20 years by then.
Where have they been?
It s____ that they have known it
I suppose they have known about it ,(
known,how long,have they,each other
英语?They will have been married for 20 years by then.请问been在句
They will have been married for 20 years by then.这里的been 表示什
What places have they been?
They have a____ been there
they have been put to shame by a boy.they should feel___