定語從句講義
定語從句，一個簡單句跟在一名詞或代詞后（先行詞）進行修飾限定，就叫做定語從句。接下來要給大家分享的是定語從句講義，歡迎大家的借鑒閱讀！
定語從句講義
一．定語從句定義及相關術語
1.定語從句：修飾某一名詞或代詞的從句叫定語從句。定語從句一般緊跟在它所修飾的 先行詞之后。
2.先行詞：被定語從句修飾的詞叫先行詞。 3.關系詞：引導定語從句的詞叫關系詞。
關系詞有關系代詞和關系副詞。關系代詞有that, which, who, whom, whose, as等； 關系副詞有when, where, why等。
關系詞通常有下列三個作用：A.引導定語從句B.代替先行詞,C.在定語從句中擔當一個成分
二．關系代詞表格
關系詞 先行詞 從句成分 例句
關系代詞
who
人
主語，賓語
Do you know the man who is talking with your
mother?
whom 人 賓語
The boy (whom) she loved died in the war.
Mr. Smith is the person with whom I am working
whose 人，物 定語
I like those books whose topics are about history. The boy whose father works abroad is my classmate.
that
人，物
主語，賓語
表語
A plane is a machine that can fly.
She is the pop star (that) I want to see very much.
She is not the person that she used to be which 物
主語，賓語 The book (which) I gave you was worth $10.
The picture which was about the accident was
terrible. as 人，物
主語，賓語
He is such a person as is respected by all of us. This is the same pen as I lost yesterday.
備注
Who,whom, which和that在從句中做賓語時，�？梢允÷�，但介詞提前時后面關系代詞不能省略，也不可以用that和who
關系
副詞
when
時間 狀語 I will never forget the days when we spent our holidays together.
where 地點 狀語 I know a place where we can have a picnic why
原因
狀語
This is the reason why he was fired.
例如：（注意關系代詞在定語從句中所充當?shù)某煞郑?/p>
① Do you know the professor who/that will give us a speech next week? （作主語） ② I read a report about his new novel that/ which will soon be published. （作主語） ③ The plan that/which they argued about was settled at last. （作賓語）
�、� This is the new secretary (who/whom/that) I would like to introduce to you. （作賓語） ⑤ The soldier whose legs were badly wounded was operated on without delay. （作定語）
三．6個關系代詞的用法
1）關系代詞that和which的用法 which, that 在代替物時，一般可以通用。
His father works in a factory that/which makes TV sets. The coat (which/that) I put on the desk is black. ▲但在有些情況下，只用 that
1.先行詞是最高級形容詞或它的前面有最高級形容詞修飾時。 ① This is the best way that has been used against pollution.
�、� English is the most difficult subject that you will learn during these years. 2.先行詞是序數(shù)詞，或它前面有一個序數(shù)詞時。 ① This is the last place (that) I want to visit.
�、� It is the first American movie of this kind that I’ve ever seen.
3.先行詞是 all, much, little, something, everything, anything, nothing, none,any, few, little, no, all, much, every等不定代詞時。 ① You should hand in all that you have. ② We haven’t got much that we can offer you. ③The little money (that) he had was stolen. 4.先行詞前面有the only, the very,等修飾時。 The only thing that we can do is to give you some money. 5.先行詞既有人又有物時。
Do you know the things and persons that they are talking about? 6.主句已有疑問詞which時。避免重復使用 Which is the bike that you lost? 7.that 在定語從句中作表語
Mary is no longer the girl that she used to be. ▲不用that的情況
�、僖龑Х窍薅ㄐ远ㄕZ從句時。例如：
He takes exercise everyday, which has done a lot of good to his health.
�、诮樵~后不能用。
We depend on the land from which we get our food. ▲有些情況只用which
�、僖龑Х窍薅ㄐ远ㄕZ從句修飾某物或整個句子。 Bruce went towards the fire, which was still smoking. Tom came back late, which made his parents very angry.
�、陉P系代詞作介詞的賓語。This is the house in which Lu Xun once lived. 2）關系代詞who和whom的用法
who指人，在句中作主語和賓語，作賓語可省略。
Whom指人，在句中只能作賓語，可省略，但在介詞后面不能省略。 She has a brother who worked at that factory ten years ago.
The doctor who/whom/that /x she went to the United States with last month is very famous. =The doctor with whom she went to the United States last month is very famous. 3）關系代詞whose的用法
�、� whose是代詞的所有格，它既可以代人也可以代物。 ① I saw a woman whose bag was stolen. ② Please show me the book whose cover is red.
�、� 當whose表示物與物的所有格關系時，亦可用of which的形式。 ① The building whose roof you can see from here is a new restaurant.
→ The building, the roof of which you can see from here, is a new restaurant.或 → The building, of which the roof you can see from here is a new restaurant. 4）關系代詞as的`用法
先行詞前有such、the same時關系代詞用as I’ve never heard such stories as he tells. He is not such a fool as he looks.
This is the same dictionary as I lost last week. 5）關系副詞的用法
含義相當于"介詞+ which"結構，因此常常和"介詞+ which"結構交替使用 關系副詞引導的定語從句
�、� when 指時間，在定語從句中作時間狀語。
I still remember the day when I first came to this school. The time when we got together finally arrived. ② where 指地點，在定語從句中作地點狀語。 Shanghai is the city where I was born.
The house where I lived ten years ago has been pulled down. ③why 指原因，在定語從句中作原因狀語。
Please tell me the reason why you missed the plane. when=on which where=in which reason=for which The day when /on which I met him first was May 1st. This is the house where/in which I lived two years ago. I don’t know the reason why /for which he didn’t come.
.并非先行詞表示時間或地點時都分別用when或where來引導相應的定語從句， 若關系詞在修飾表示時間或地點的先行詞的定語從句中充當主語、 賓語等而不是狀語時， 需用which或that引導相應的定語從句。
Do you still remember the days which/that we spent together in school? 先行詞the days表時間， 但是其定語從句的引導詞在定語從句中作賓語而不是狀語， 因此不能用when而應該用which或that。
This is the day when I joined the party/which he spent reading the books/which I still never forget. This is the place where I found the book./ which we once visited/which I will never forget/which I am looking for
This is the reason why he was late /that he gave at the meeting for his being late.
�、�.以the way為先行詞的限制性定語從句通常由in which或that引導，而且通�？梢允÷浴� The way (that / in which ) he answered the questions was surprising. I don’t like the way (that / in which) you laugh at her.
四．介詞+關系代詞
關系代詞在定語從句中作介詞賓語時，從句常常由“介詞+關系代詞”引出。 介詞+which（指事） 介詞+whom（指人）
①The school (which / that) he once studied in is very famous. The school in which he once studied is very famous.
�、赥omorrow I’ll bring here the magazine (which / that) you asked for. Tomorrow I’ll bring here the magazine for which you asked. ③This is the boy (whom / who / that) I played tennis with yesterday. This is the boy with whom I played tennis with yesterday.
�、躓e’ll go to hear the famous singer (whom / who / that) we have often talked about. We’ll go to hear the famous singer about whom we have often talked.
�、軹he boss whose company I work in pays much attention to improving our working conditions. The boss in whose company I work pays much attention to improving our working conditions. 若介詞放在關系代詞前，關系代詞指人時只可用whom，不可用who, that；關系代詞指物時只可用which，不可用that。關系代詞是所有格時用whose。 The man with whom you talked just now is my neighbour. The plane in which we flew to Canada was really comfortable.
五．代詞/數(shù)詞+介詞+關系代詞
some, any, none, all, both, neither, many, most, each, few等代詞或者數(shù)詞。如： ①He loves his parents deeply, both of whom are very kind to him. ②In the basket there are quite many apples, some of which have gone bad. ③There are forty students in our class in all, most of whom are from big cities. ④Up to now, he has written ten stories, three of which are about country life.
六．限制性定語從句和非限制性定語從句
限制性定語從句 形式上：不用逗號“，”與主句隔開。
意義上：是先行詞不可缺少的定語，如刪除，主句則失去意義或意思表達不完整。 譯法上：譯成先行詞的定語：“．．．的”
關系詞的使用上：A．作賓語時可省略 B．可用that C．可用who 代替whom 非限制性定語從句
形式上：用逗號“，”與主句隔開。
意義上：只是對先行詞的補充說明，如刪除，主句仍能表達完整的意思。 譯法上：通常譯成主句的并列句。
關系詞的使用上：A．不可省略 B．不用that C．不可用who 代替whom 限制性定語從句舉例：
The teacher told me that Tom was the only person that I could depend on. 老師告訴我說湯姆是我唯一的可以依靠的人。
China is a country which has a long history. 中國是一個歷史悠久的國家。 In the street I saw a man who was from Africa. 在街上我看到一個來自非洲的人。 非限制性定語從句舉例 ：
His mother, who loves him very much, is strict with him. 他媽媽十分地愛他，對他要求很嚴格。 China, which was founded in 1949, is becoming more and more powerful. 中國是1949年成立的， 現(xiàn)在正變得越來越強大。
Last summer I visited the People’s Great Hall, in which many important meetings are held every year. 去年夏天，我參觀了人民大會堂，在那兒每年都要舉行許多重要會議。
七．As 和which引導非限定性定語從句的辨析關系。
關系代詞 as 和which都能引導非限定性定語從句代表整個句子的內容，as 引導的從句可位于句首或句末，which引導的定語從句則不能位于句首。As語義“正如” ▲He was late again, as / which we had expected. =As we had expected, he was late again. ▲The street hasn’t been cleared for weeks, which makes it very dirty. As has already been pointed out, English is rather difficult for a foreigner.
She has been late again, as was expected.
▲She has married again, as was expected. She has married again, which was unexpected.
八．關系代詞在從句中作主語時，從句中的主謂一致
關系代詞在定語從句中作主語時，從句的謂語動詞在人稱和數(shù)上應與先行詞一致。 ▲Who is the guy that is reading over there?
The number of people that are going to the exhibition is expected to be over 25,000. All that needs to be done has been done.
▲He is one of the students who use computer a lot for study. Timmy is the only one of the pupils that has failed the exam.
九．定語從句與強調結構
It is the place where they lived before. It is in the place that they lived before.
第一個句子為定語從句，where指代the place，在定語從句中作狀語，第二個句子為強調結構，強調in the place, that沒有意義，把放回后面句子，句子意思完整。 Where is it that he found the lost watch? (強調句型，強調疑問副詞where.) Where is the watch he found yesterday? (定語從句，that指代the watch.)
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