havingdone是什么结构
Havingdone作状语怎么用举几个例子?
Havingdone作状语怎么用举几个例子?
表示动作发生在谓语之前。如having finished my job , I went home .
having been done和have been done的区别?
having been done 是现在分词完成式的被动语态,常用做状语,例如:Having been praised by his boss,he was very happy.而have been done是现在完成时的被动语态,例如:These jobs have been done by them.
havingdone和havingbeendone怎么用什么意思?
have done 和 have been done 都表示的是现在完成时,having done 和 having been done 都是动词ing 的完成形式,在句子中作状语,起到补充说明的作用。
这里要注意的是,having 所接的动词发生的时间在主句中谓语动词发生的时间之前。比如:Having driven all day,we were so tired. 这个例子中,having driven表示“我们”的状态,“开了一天的车”,并且,drive 的动作发生在 be tired的之前。了解了上面的概念,再来解释having done 和 having been done的区别,前者having done表示的是主动,后者having been done表示的是被动。例:1、Having driven all day,we were so tired. 我们开了一天的车,现在都很累了,having driven表示的是主动,是“我们开了一天的车”;
2、Having been criticized today, he was so sad. 今天被批评了,他很难过。是he被批评,而这个原因状语又是修饰he,所以要用被动,have been done。还有一种情况,having been doing,理解了之前两种用法,那么也会很清楚,这个用法也是动词ing的完成进行时,表主动。