文档介绍：Section Ⅳ Grammar & Writing
Unit 3 Celebration
语法精讲专项突破
品位语法
(一)被动语态(Ⅰ)

当句子的主语是动作的承受者,即行为动作的对象时,句子用被动语态。被动语态由“be+及物动词的过去分词”构成。各种时态形式的被动语态见下表。
讲解归纳
时态名称
被动语态形式
一般现在时
am/is/are+过去分词
一般过去时
was/were+过去分词
一般将来时
will/shall+be+过去分词
过去将来时
would+be+过去分词
现在进行时
am/is/are+being+过去分词
过去进行时
was/were+being+过去分词
现在完成时
have/has+been+过去分词
过去完成时
had+been+过去分词

(1)当不知道、没有必要或不想指出谁是动作的执行者时,常用被动语态。
His bag was stolen yesterday. 他的包昨天被偷了。
China was liberated in 1949. 中国是1949年解放的。
Enough has been said about this question.
关于这个问题说的已经够多了。
(2)当动作的执行者不是人时,常用被动语
态。
We were all shocked by the news that he died suddenly.
我们都被他突然去世的消息震惊了。

(1)
They will discuss the plan at the meeting.→The plan will be discussed at the meeting(by them).
这个问题将在会议上讨论。
(2)
We gave the student some books.→The student was given some books(by us). 给了这个学生几本书。