词或副词。

　　The old man was often laughed at.

　　那位老人经常受人嘲笑。(不可省掉介词at)

　　即时演练2

　　句型转换(把下列句子变为被动语态)

　　①My father gave me a nice present on my birthday.

　　→A nice present was given to me by my father on my birthday.

　　②He made Tom stand outside of the gate for half an hour.

　　→Tom was made to stand by him outside of the gate for half an hour.

　　③My uncle took good care of me when I was young.

　　→I was taken good care of by my uncle when I was young.

语法点三 动词不定式的被动形式和用法 　　

　　当动词不定式动词与其逻辑主语之间是被动关系时，不定式要用被动语态。不定式的被动式在句中可作主语、宾语、表语、定语、宾语补足语、状语等。其构成形式和意义如下：

构成 意义 一般式 to be done 表示在谓语动词之后或同时发生的被动动作 完成式 to have been done 表示发生在谓语动词之前的被动动作 　　To be given such a good opportunity made me a little surprised.(主语)

　　被给了这么好的机会，我有点惊讶。

　　The boy asked to be given an opportunity to try again.(宾语)

　　那男孩要求给他再试一次的机会。

　　He got to the station only to be told that the train had left.(状语)

　　他到达车站后被告知那列火车已经走了。

　　The next thing to be done is to carry away the earth.(定语)

　　下一步要做的事是把土运走。

　　No harm seems to have been done to them.(表语)

　　对他们似乎并没有造成损害。

　　即时演练3

　　单句语法填空

①His father left the small village, never to be seen (see) again.