必修三unit 3主谓一致.doc

主谓一致
(一)概述:
主语与谓语的一致:在英语表达中,谓语动词的形式要和主语的人称和数保持一致。主要体现在动词,助动词 do,have 以及一般现在时态中的动词形式。
谓语动词与主语保持一致的基本原则:语法一致,就近一致和意义一致。
名词或代词做主语有人称和单,复数之分,动词的单数就是第三人称单数形式,而动词的复数形式动词的原形。
例句:
1. I am seventeen, and he is sixteen.
2. There is a desk in the room, but there are no chairs in it.
3. John gets up at six o’clock every morning.
4. What is the latest news about the Olympic Games?
5. The family are sitting at the breakfast table.
(二)语法一致:
1. 由and连接的两个名词或代词做主语:
(1)表示的是两个人或两件不同的事物,谓语动词用复数形式。
例句:
① My brother and I have both seen that film.
② Both rice and wheat are grown in this part of China.
③ The poet and the novelist were both present at the meeting.
(2)表示具有两个身份或性质的同一个人或一个完整的事物,谓语动词用单数形式。特征:两个名词共用一个定冠词或者形容词性物主代词。
例句:
① The professor and writer is speaking at the meeting.
② War and peace is a constant theme in history.(战争和和平
③ One more knife and fork is needed.(刀叉
④ The stars and stripes is the national flag of .(星条旗
⑤ Law and order has been established.(法律和秩序
⑥ Bread and butter is our daily food.(黄油面包
⑦ Fish and chips is a popular fast food.(油煎鱼加土豆片
(3)前面有each, every, many a, no,one more 等修饰时,谓语动词一般用单数形式。
例句:
① Each doctor and(each)nurse was given a new shirt.
② No sound and no voice is heard.
③ Many a boy and girl has made the same mistake.
④ Every minute and every second is precious.
2. 单个的动名词,不定式,主语从句做主语时,谓语动词用单数形式。
例句:
① Reading is a great pleas