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was chosen
are used
will be served
英语中有两种语态:主动语态和被动语态。主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。如:
We clean the classroom every day. (主
动语态,主语we是clean这一动作的执行者)
The classroom is cleaned every day. (被动语态,主语the classroom是clean这一动作的承受者)
使用被动语态的情况:
1) 不知道或没有必要知道动作的执行者时
e.g. English is spoken all over the world.
2) 强调或侧重动作的承受者时
e.g. This dictionary is used by most
students.
You are going to / will be invited to a big meal.
be going to/will be +动词过去分词
一般将来时
The play was performed by the Beijing English Theatre Company.
was/were +动词过去分词
一般过去时
Knives and forks are used for most Western food.
am/is/are +动词过去分词
一般现在时
例句
构成
时态
各种时态的被动语态:
除时态以外,还应该注意短语动词在被动语态中的用法:
e.g. Old people are taken good care of in
China.
在中国,老年人得到很好的照顾。