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中考英语复习知识:主谓一致

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2016-05-14

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谓语受主语支配,须和主语在人称和数上保持一致,这叫做主谓一致。主谓一致一般遵循三条原则:语法一致原则,意义一致原则和就近一致原则。

1. 语法一致的原则

(1)以单数名词或代词,动词不定式短语作主语时,谓语动词要用单数;主语为复数时,谓语用复数,例如:

He goes to school early every morning.

The children are playing outside.

To work hard is necessary for a student.

(2)由and或both……and连接的并列成分作主语时,谓语动词用复数。例如:

Both he and I are right.

Mr Black and Mrs Black have a son called Tom.

但并列主语如果指的是同一人,同一事物或同一概念,谓语动词用单数。例如:

His teacher and friend is a beautiful girl.

The poet and writer has come.

(3)由and连接的并列单数主语之前如果分别由each, every修饰时,其谓语动词要用单数形式。例如:

In our country every boy and every girl has the right to receive education.

Each man and each woman is asked to help.

(4)主语是单数时,尽管后面跟有 but ,except, besides, with 等介词短语,谓语动词仍用单数。例如:

The teacher with his students is going to visit the museum.

Nobody but two boys was late for class.

Bread and butter is a daily food in the west.

(5) 一些只有复数形式的名词,如people, police, cattle, clothes等作主语时,谓语动词要用复数。例如:

A lot of people are dancing outside.

The police are looking for lost boy.

(6)由each, some, any, no, every 构成的复合代词作主语时,谓语动词都用单数。例如:

Is everybody ready?

Somebody is using the phone.

(7)有两部分构成的物体的名词,如glasses, shoes, trousers, chopsticks, scissors 等作主语时,谓语动词用复数。例如:

Where are my shoes? I can’t find them.

Your trousers are dirty. You’d better change them.

如果这类名词前用了a pair of等,则往往用作单数,谓语动词的单复数形式往往取决于pair的单复数形式。例如:

Here are some new pairs of shoes.

My new pair of socks is on the bed.

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