close的用法【closed与be closed ]】区别是什么要题目加讲解

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close的用法【closed与be closed ]】区别是什么要题目加讲解
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close的用法【closed与be closed ]】区别是什么要题目加讲解
close的用法【closed与be closed ]】区别是什么要题目加讲解

close的用法【closed与be closed ]】区别是什么要题目加讲解
从字面上看,closed 是close的过去式和过去分词,be closed 是close的被动语态.
closed作为动词close的过去式和过去分词,用在句子里的谓语处,比如:
He closed the door.他把门关了.这里是过去式;
He has closed the door.他已经关了门了.这里是过去分词,是现在完成时.
be closed 是被动语态,表示被动,比如,同样是上面那两句话改成被动语态:
The door was closed by him.门被他关了.这里是过去式的被动语态;
THe door has been closed by him.门已经被他关了.这里是过去完成时的被动语态.
不知我这样解释,你明白了没有,如果还不明白,可以继续问我.:)