The boy was hit by a car yesterday.

　　这个男孩昨天被车撞了。

　　2．使用被动语态的情况

　　(1)不清楚谁是动作的执行者时，用被动语态。

　　His car was stolen when he parked in the street.

　　他把车停在街上时，车被偷了。

　　(2)动作的承受者是谈话的中心，强调或突出动作的承受者时。

　　Li Ming was elected chairman of the meeting.

　　李明被选为会议的主席。

　　(3)只知道动作的承受者或没有必要说出动作的执行者时。

　　No one knows when the bridge was built.

　　没人知道这座桥是什么时候建的。

　　集中演练1

　　1－1.单句语法填空

　　①When was the gift given (give) to him by his mother?

　　②English is used (use) all over the world and has become a universal language.

　　③If nothing is done (do), the oceans will turn into fish deserts.

　　④He was caught (catch) by the policeman because of a car accident yesterday.

　　⑤-I won't come to the party unless Sue is invited (invite), too.

　　-You mean if Sue comes you'll come?

　　1－2.完成句子

　　⑥纸最早是在中国制造的。

　　Paper was first made in China.

　　⑦这家公司成立于1992年。

　　The company was founded in 1992.

　　⑧妈妈经常告诉我要小心。

　　I am often told to be careful by my mother.

　　⑨这些椅子昨天上午修过了。

　　The chairs were repaired yesterday morning.

　　⑩华南种植水稻。

　　Rice is grown in South China.

　　3．主动形式表示被动意义

(1)某些实义动词(sell, wash, write, wear等)的主动形式后跟副词(well, badly, easily等)表示被动意义，这种"动词＋副词"结构常表示事物内部特有的属性。