高中定语从句要点讲解

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定语从句三部曲

1. 找出先行词;

2. 确定先行词在从句中的成分:主语,宾语,

状语;

3. 选择正确的关系词。

几个关系代词的基本用法

that

that: 可指人或物;可作主语,宾语。

指人时,相当于who或whom;

指物时,相当于which

A letter ________ is written in pencil is difficult to read.

Do you know the gentleman _________spoke just now?

What is the question ________they are talking about?

Here is the man ______________you want to see.

只能用that 不能用which的情况

1.先行词为不定代词时:all, much, everything, anything, nothing, something, none, the one.

2.先行词被only, any, few, little, no, just, very, one of等修饰时;

3.先行词是序数词时或被序数词修饰时;

4.先行词是最高级或被最高级修饰时;

5.先行词既有人又有物时;

6.先行词是数次时;(two, ten, a hundred)

7.如果有两个从句,其中一个关系代词已用which ,另一个关系代词宜用that,以避免重复;

8.疑问词是who或which,关系代词宜用that,以避免重复;

9.主句是There be 结构,修饰其主句的定语从句宜用that 作关系代词;

10.被修饰成分为表语时,或者关系代词本身是定语从句的表语时,该关系代词宜用that。(主语+be+n. /adj.; 主语+系动词+adj.)

即学即用

1. The writer and his novel ____ you have just talked about is really well known .

2. The most important thing ____ should be done right now is how to stop him from going on.

3. The last place ____ we visited was the chemical works.

4. There's nothing ____ can be said about it .

5. This is the third film ____ has been shown in our school this term.

1. Yesterday I caught two fish and put them in a basin of water. Now you can see the two ____are still alive.

2. Who is the man ____ is standing at the gate?

3. That's a good book _____will help you a lot.

4. There is still a seat in the corner____ is still free.

5. Edison built up a factory which produced things _____had never been seen before.

逗号和介词后面不能用that

which

which: 指物;可作主语,宾语,状语。

1. The book _____ was on the desk was bought by my father.

2. The book _____ I bought yesterday is very interesting.

3. The factory _____ his father works is far from here.

只能用which不能用that 的情况:

1. 介词后面只能用which;

Is this the room in which Mr. White lives?

2. 非限定性定语从句中。

More and more people are beginning to learn English, which is becoming very popular in our country.

3.当关系代词后面带有插入语时;

Here's the English grammar which, as I have told you, will help improve your English.

4. 先行词是those+复数名词.

A shop should keep a stock of those goods which sell best.

who, whom, whose

who: 主格, 在从句中作主语,只可指人;

whom: 宾格,在从句中作宾语,只可指人;

whose: 属格,在从句中作定语,可指人也可指物。

(whose = of which或of whom)

I like the students who work hard.

All who heard the story were amazed.

Chaplin, for whom life had once been very hard, was a success as an actor.

A child whose parents are dead is called an orphan. I'd like a room whose window faces south.

只能用who 不能用that 的情况

1. 先行词为anyone, anybody, those, all, one, ones, they, he, people时;

Anyone who failed to come to the meeting yesterday must give his reason .

He who knows nothing but pretends to know everything is indeed a good-for –nothing.

2. 在非限定性定语从句中;

His mother, who loves him very much, is strict with him.

3.在there be开头的句子中。

Here is a boy who wants to see you.

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