break out, run out等，常用主动形式表示被动意义。

　　When World War Ⅰ broke out, he seemed to have become another man, downhearted.

　　第一次世界大战爆发时，他似乎变成了另一个人，非常消沉。

　　(4)need, want, require的主动形式表示被动意义。

　　His hair needs cutting.

　　他的头发需要理了。

　　[即时演练2]

　　(1)用所给词的适当形式填空

　　①The pencil writes (write) well.

　　②The house needs (need) repairing.

　　③His jacket wants washing/to_be_washed (wash)．

　　(2)翻译句子

　　①水感觉起来冰凉。

　　The_water_feels_cold.

　　②昨天晚上发生了一场大火。

　　A_huge_fire_broke_out_last_night.

　　二、主谓一致

　　主谓一致是指句子的谓语动词与其主语在数上必须保持一致。英语中的主谓一致主要遵循意义一致、语法一致和就近一致三个原则。

　　1．意义一致

　　(1)由and连接的两个单数名词指同一个人或同一事物时，谓语动词用单数。如：bread and butter黄油面包，knife and fork刀叉。

　　The singer and dancer is coming for a visit.

　　那位歌唱家兼舞蹈家要来参观。

　　The poet and writer is very popular with us.

　　那位诗人兼作家很受我们的欢迎。

　　(2)形复意单的名词作主语时，谓语动词用单数，如：news, maths, politics, physics, works, means, the United States等。

　　The news is quite shocking.

　　这个消息令人十分震惊。

　　Politics is her favourite subject.

　　政治是她最喜欢的学科。

　　(3)"the＋形容词/分词"表示一类人，如the rich, the young, the living等作主语时，谓语动词用复数。

The sick have been cured and the lost have been found.