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(三)关系代词引导的定语从句

1.who指人，在从句中做主语。

(1) The boys who are playing football are from Class One.

(2) Yesterday I helped an old man who lost his way.

2. whom指人，在定语从句中充当宾语，常可省略。

(1) Mr. Liu is the person (whom) you talked about on the bus.

(2) Mr. Ling is just the boy whom I want to see.

注意：关系代词whom在口语和非正式语体中常用who代替，可省略。

(3) The man who/whom you met just now is my friend.

3.which指物，在定语从句中做主语或者宾语，做宾语时可省略。

(1) Football is a game which is liked by most boys.

(2) This is the pen (which) he bought yesterday.

如果在从句中做宾语,就用whom或who.比如: He is the man whom/who I talk to.

如果是在从句中作主语就只能用who.比如: He is the man who has an English book.

4. that指人时，相当于who或者whom;指物时，相当于which。

在定语从句中做主语或者宾语，做宾语时可省略。

(5) The number of the people that/who come to visit the city each year rises one million.

(6) Where is the man that/whom I saw this morning?

5. whose通常指人，也可指物，在定语从句中做定语。

(1) He has a friend whose father is a doctor.

(2) I once lived in a house whose roof has fallen in.whose指物时，常用以下结构来代替。

(3) The classroom whose door is broken will soon be repaired.

(4) The classroom the door of which is broken will soon be repaired.

(5) Do you like the book whose cover is yellow?

(6) Do you like the book the color of which is yellow?

(四)注意

介词 关系代词引导的定语从句关系代词在定语从句中做介词宾语时。

从句常由介词 关系代词引导

(1) The school (that/which) he once studied in is very famous.

(2) The school in which he once studied is very famous.

(3) Tomorrow I will bring here a magazine (that/which) you asked for.

(4) Tomorrow I will bring here a magazine for which you asked.

(5) We’ll go to hear the famous singer (whom/that/who) we have often talked about.

(6) We’ll go to hear the famous singer about whom we have often talked.

注意：1. 含有介词的动词短语一般不拆开使用，如：look for, look after, take care of等。

(1) This is the watch which/that I am looking for. (T)

(2) This is the watch for which I am looking. (F)

2. 若介词放在关系代词前，关系代词指人时用whom，不可用who或者that;指物时用which，不能用that;关系代词是所有格时用whose。

(1) The man with whom you talked is my friend. (T)

(2) The man who/that you talked with is my friend. (F)

(3) The plane in which we flew to Canada is very comfortable. (T)

(4) The plane in that we flew in to Canada is very comfortable. (F)

3. “介词 关系代词”前可有some, any, none, both, all, neither, most, each, few等代词或者数词。

(1) He loved his parents deeply, both of whom are very kind to him.

(2) In the basket there are quite many apples, some of which have gone bad.

(3) There are forty students in our class in all, most of whom are from big cities.

(五)关系副词引导的定语从句

1. when指时间，在定语从句中做时间状语。

(1) I still remember the day when I first came to the school.

(2) The time when we got together finally came.2. where指地点，在定语从句中做地点状语。

(1) Shanghai is the city where I was born.

(2) The house where I lived ten years ago has been pulled down.

3. why指原因，在定语从句中做原因状语。

(1) Please tell me the reason why you missed the plane.

(2) I don’t know the reason why he looks unhappy today.

注意：关系副词引导的从句可以由“介词 关系代词”引导的从句替换。

(1) The reason why/ for which he refused the invitation is not clear,

(2) From the year when/in which he was going to school he began to know what he wanted when he grew up.

(3) Great changes have taken place in the city in which./where I was born.

(六)关系代词that 的用法。

(1)不用that的情况　。

(a) 在引导非限定性定语从句时。

(错)The tree, that is four hundred years old, Is very famous here.

(b) 介词后不能用。

We depend on the land from which we get our food.

We depend on the land that/which we get our food from.

(2) 只能用that作为定语从句的关系代词的情况　。

(a)　在there be 句型中，只用that，不用which。

(b)　在不定代词，如：anything, nothing, the one, all, much, few, any, little等作先行词时，只用that，不用which。

(c)　先行词有the only, the very,the same,the last,just修饰时，只用that。

(d)　先行词为序数词、数词、形容词最高级时，只用that。.

(e)　先行词既有人，又有物时。

(f) 先行词指物，在主句中作表语时.

(g) 为了避免重复.

(h)先行词是the way时。

举例：

Is this the book that you borrowed in the library?

这是你在图书馆借的那本书吗?

Who that break the window should be punished.

谁打碎了窗户都要受到惩罚.

All that is needed is a supply of oil.

所需的只是供油问题。

Finally, the thief handed everything that he had stolen to the police.

那贼最终把偷的全部东西交给了警察。

(七)难点分析

限制性定语从句只能用that的几种情况。

1.当先行词是anything, everything, nothing (something 除外), few, all, none, little, some等代词时，或者是由every, any, all, some, no, little, few, much等修饰时。

(1) Have you taken down everything that Mr. Li has said?

(2) There seems to be nothing that seems impossible for him in the world.

(3) All that can be done has been done.

(4) There is little that I can do for you.

注意：当先行词指人时，偶尔也可以用who。

(4) Any man that/.who has a sense of duty won’t do such a thing.

2. 当先行词被序数词修饰。

(1) The first place that they visited in London was the Big Ben.

3. 当先行词被形容词最高级修饰时。

(1) This is the best film that I have seen.

4. 当形容词被the very, the only 修饰时。

(1) This is the very good dictionary that I want to buy,

(2) After the fire in his house, the old car is the only thing that he owned.

当先行词指人时，偶尔也可以用who。

(3) Wang Hua is the only person in our school who will attend the meeting?

5. 当先行词前面有who, which等疑问代词时。

(1) Who is the man that is standing there?

(2) Which is the T-shirt that fits me most?

6. 当先行词既有人，也有动物或者物体时。

(1) Can you remember the scientist and his theory that we have learned?