初三英語定語從句

　　定語從句，是指一類由關系詞引導的從句，因為這類從句的句法功能多是做定語，所以曾被稱為定語從句，這類從句除了可以做定語之外，還可以充當狀語等其他成分，所以現(xiàn)代語言學多使用“關系從句”這一術語。以下是小編整理的初三英語定語從句，希望對大家有所幫助。

　　初三英語定語從句1

　　一.定義：

　　在復合句中修飾某一名詞或代詞的從句叫定語從句。

　　二.特點：

　　1.先行詞：定語從句所修飾的名詞或代詞

　　2. 關聯(lián)詞：

　　1）引出定語從句，并作從句的一個成分�？勺髦髡Z、賓語、定語、狀語，作賓語可省略。

　　2）關聯(lián)詞包括關系代詞和關系副詞。關聯(lián)詞位于先行詞和定語從句之間。

　　關系代詞：that, which, who, whom, whose代指先行詞。

　　關系副詞：when, where, why作時間狀語。

　　三.基本結構：

　　先行詞+關聯(lián)詞+定語從句剩余部分

　　四.關系代詞的用法：

　　1. that 和which

　　that指人或物，作主語或賓語，作賓語可省略，主語不能。

　　Which指物，不指人，作主語或賓語，作賓語可省略，主語不能。

　　His father works in a factory that/which makes TV sets.

　　Who was hurt in the accident that/which happened yesterday?

　　The coat (which/that) I put on the desk is black.

　　注意：The room in which I live is very big. (在介詞后面不能用that)

　　2.只能用that不能用which引導的定語從句：

　　1) 先行詞被形容詞最高級修飾時，定語從句只能用that

　　This is the most interesting story (that) I have ever heard.

　　2）先行詞被序數(shù)詞修飾時，定語從句只能用that

　　The children like the second lesson that is about “The Football Match”.

　　3）先行詞被the only，the very 或the same等修飾，定語從句只能用that引導。

　　It is the only word (that) I know in the passage.

　　Where is the very book (that) I bought just now?

　　This is the (same) bicycle (that) I lost.

　　4）先行詞為everything，something，anything，all，none，much，little，few等不定代詞時，定語從句只能用that

　　I want everything (that) I want.

　　I am writing to tell you about something very strange that happened to me last week.

　　5)先行詞被不定代詞all, any, no, every, little, much, many修飾時，只能用that

　　Here is all the money (that) I have.

　　6)先行詞是同時含有“人和物”的名詞時，定語從句只能用that

　　I can remember well the persons and some pictures (that) I see in the room.

　　7)定語從句所修飾的詞為the one 時，定語從句用that引導

　　Is it the one（that）you want？

　　8）為了避免重復，在疑問詞who之后，用that 引導定語從句

　　Who is the girl that won the first place?

　　3. who和whom

　　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。

　　Who is the teacher that Xiao Li is talking to?

　　The doctor with whom she went to the United States last month is very famous.

　　=The doctor who/whom/that she went to the United States with last month is very famous.

　　五.關系副詞的用法：

　　1. 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 Beijing. when=on which

　　2.where 指地點，在定語從句中作地點狀語。

　　This is the house where I lived two years ago.

　　3.why指原因，在定語從句中作原因狀語，其先行詞只有表示原因的reason一詞.

　　We don’t know the reason why he was late for school.

　　初三英語定語從句2

　　高考中常�？疾閛ne和that作為普通代詞的區(qū)別,還常與it進行區(qū)別.主要用法如下：

　　I.it／one ／that三者均可用作代詞,指代前面提到的名詞.一般說來,it指代同名同物; one與that則指代同名異物.

　　I have lost my umbrella; I'm looking for it.（該句中it就是指前面的my umbrella）

　　I have lost my umbrella; I think I must buy one.（one在該句中表泛指,因為my umbrella已經(jīng)丟了）

　　The umbrella you bought is cheaper than that I bought.（替代詞that在該句中特指“the umbrella I bought”,以區(qū)別“the umbrella you bought”）

　　II.one與that雖可用來指代同名異物,但one為泛指,相當于a／an＋名詞; that為特指,相當于the ＋名詞.所以one所指代的名詞的修飾語一般為 a／an ／some ／any; that所指代的名詞的修飾語往往是the ／this ／that.

　　A chair made of steel is stronger than one made of wood.（該句中one可以換成a chair）

　　The water in the cup is hotter than that in the pot.（該句中that可以換成 the water）

　　III.one只能代替可數(shù)名詞單數(shù),代替可數(shù)名詞復數(shù)時用ones; that既可以代替不可數(shù)名詞也可以代替可數(shù)名詞單數(shù),代替可數(shù)名詞復數(shù)時用 those.

　　I like this pen more than that one.（one代替可數(shù)名詞單數(shù)pen）

　　There were a few young people and some older ones in the house.（ones代替可數(shù)名詞復數(shù)people）

　　Mary's handwriting is far better than that of Peter.（that代替不可數(shù)名詞 handwriting）

　　These pictures are more beautiful than those.（those代替可數(shù)名詞復數(shù) pictures）

　　IV.one既可代替事物,也可代替人,that只能代替事物而不能代替人.有時可以用the one或the ones代替that或those.

　　The one ／That on the table is mine.（該句中The one代替事物,并且也可以用That）

　　He is the teacher,the one who is loved by the students.（該句中the one代替人,不能用that）

　　He advised the farmers to choose the best seed-heads,the ones ／those that had the best color.（該句中the ones代替事物,并且也可以用those）

　　V.one一般有前置修飾語,有時也可有后置修飾語或不用修飾語.而 that不能有前置修飾語,但可有后置修飾語.

　　Cook was a strict but good captain,one who took good care of his sailors.

　　The water in the well is cleaner than that in the river.

　　VI.it可以替代句中的不定式或從句等,充當形式主語或形式賓語.one與that均無此用法.

　　It is known to everybody that the moon travels around the earth once every month.

　　I found it hard to get on with her.

　　VII.it與that均可以替代上文全句的內(nèi)容或部分內(nèi)容,而one ／ones則不可以

　　初三英語定語從句3

　　定語從句由關系代詞who、whom、whose、which、what、as和關系副詞where、when、why等引導，但須記住：

　　1.what不能引導定語從句.

　　2.關系詞的分析須考慮它在定語從句中的成分。

　　一.指人的關系代詞有who、whose、whom、that. 試分析：

　　The old man who/whom /that we visited yesterday is a famous artist.

　　Miss Wang is taking care of the child whose parents have gone to Beijing .

　　The man with whom my father shook hands just now is our headmaster. (=The man who/whom that my father shook hands with just now is our headmaster.)注：

　　A. 指人時有時只用who不宜用that。

　　1.先行詞為one、ones或anyone

　　(1)The comrade I want to learn from is the one who studies hard and works hard.

　　(2)Anyone who breaks the law should be punished.

　　2.先行詞為these時

　　These who are going to Beijing are the best students of our school.

　　3.在there be 開頭的句子中

　　There is a student who wants to see you.

　　4.一個句子中帶有兩個定語從句，其中一個定語從句的關系代詞是that，另一個宜用who，以免重復。

　　The student that won the first prize is the monitor who works hards.

　　5.在非限制性定語從句中

　　A。I met a friend of mine in the street, who had just come from Japan.

　　B.主句以who開頭的句子中,只用that,不用who。

　　二.指物的關系代詞有which、whose(=of which)、that. 試分析：

　　1. I like the books which / that were written by Lu Xun.

　　2. The desks (which/that) we made last year were very good.

　　3. This is the house in which we lived last year. (= This is the house which /that we lived in last year.)

　　4. I live in the room whose windows face south. (= I live in the room ,the windows of which face south.)

　　注：

　　A. 介詞如果位于作為其賓語的關系代詞之前時，只能用whom、 which不能用who或that.

　　(1). The girl about whom they were talking is our monitor.

　　(2). The book in which there are many interesting things was written by Li Ming.

　　B. 部分短語動詞中的介詞不可與動詞拆開，在定語從句中其介詞不可前置，只能放在其動詞之后。

　　Is this the book which she is looking for?

　　The old man who/whom they are waiting for is Professor Li.

　　The child who/whom she is looking after is Wang Ping’s son.

　　C. 指物時，下列情況下只能用that ，不宜用which。

　　(1)先行詞為不定代詞，如All、much、anything、everything、nothing、something、none、the one等。

　　We are willing to do anything that is good to the people.

　　I have told them all (that) I know.

　　All that can be done has been done.

　　(2)先行詞是序數(shù)詞或被序數(shù)詞、修飾時。

　　The first book that I read last night was an English novel.

　　(3)先行詞是形容詞最高級或被最高級修飾時。

　　This is one of the most interesting films that I have ever seen.

　　This is the best that can be done now.

　　(4)如果有兩個或兩個以上分別表示人和物的先行詞時(先行詞既有人又有物)，定語從句的關系代詞用which和who都不合適，只能用that。

　　We know nothing about the doctors and the hospitals that you are talking about.

　　There are sheep and men that can be seen on the hill.

　　(5)如果先行詞被the only、the very、the last、the same、any、 few 、little、no、 all 、one of、 just修飾時。

　　This is the only book that can be lent to you.

　　(6)當主句是以which開頭的特殊問句時，關系代詞只用that。

　　Which is the dictionary that he used yesterday ?

　　D.只物時，下列情況下只能用which，不宜用that。

　　(1)關系代詞放在介詞之后

　　This is the factory in which we once worked.

　　(2)非限制性定語從句中

　　This is the book, which is written by Lu Xun.

　　(3)that，Those作主語時

　　Those which are on the desk are English books.

　　E.先行詞前有such、the same、 as時, 關系代詞用as，不用that, 但the same…as…表示同樣的, the same…that…表示同一的

　　He knows as many people as are present at the meeting.

　　Such people as you refer to are rare nowadays.

　　三.比較When/which、where /which、why.

　　which I still never forget.

　　This is the day when I joined the party.

　　which he spent reading the books.

　　where I found the book.

　　which makes machines.

　　This is the place which we once visited.

　　which I will never forget.

　　which I am looking for.

　　限制性定語從句與非限制性定語從句的區(qū)別：

　　限制性定語從句

　　非限制性定語從句

　　All the students who study hard have passed.學習努力的學生都考試及格了。(只有努力的及格了，不努力的沒及格。) All the students ,who study hard have passed.所有的學生都及格了，他們學習努力。(沒有人不及格，這些學生都很努力。)

　　從句是先行詞不可缺少的定語(如去掉，主句意思就不完整或不正確。) 從句是對先行詞的附加說明(如去掉，主句意思仍清楚，不受影響。) 與主句關系密切，不用逗號 與主句關系不十分密切，用逗號與主句隔開譯為漢語時，從句譯在先行詞前，與先行詞用“的”連接 譯為漢語時，從句放在主句后面關系代詞that可以代替who、whom(指人)、which(指物) 關系代詞不用that,只用who、whom(指人)、which(指物) 關系代詞代替賓語時可以省略 關系代詞不能省略關系代詞as和which

　　先研究下面兩個例句：

　　○1.This elephant is like a snake, as /which everybody can see. =As everybody can see, this elephant is like a snake. 任何人都看得出來，這頭象像條蛇。

　　○2.Tom didn’t pass the physics exam, which made his parents very angry. Tom物理考試不及格，這使得他父親很生氣。

　　這兩個例句中，as和which所代表的都是整個主句所表示的內(nèi)容。但有兩點不同之處：

　　1. 在形式上as引導的非限制性定語從句可位于主句的后面，也可位于主句的前面;而which引導的'非限制性定語從句只能位于主句的后面，不能位于主句的前面。

　　2. 在意義上，as引導的定語從句和主句的關系一般為一致關系，常譯為“正如……”，“就像……”，而which引導的定語從句和主句的關系是因果關系，或which引導的定語從句是對主句的評論。因此，在意思通順的情況下，which可代替as，而as許多時候不能代替which，如句○2。再如：

　　1.He was late again, as / which we had expected. =As we had expected, he was late again. 正如我們所料，他又遲到了。/他又遲到了這是我們早就料到的。

　　2. The street hasn’t been cleared for weeks, which makes it very dirty. 街道好多星期沒有打掃了，因此整條街很臟。(不用as)

　　3.The young man cheated his friend of much money, which was disgraceful. 那年輕人詐騙了他朋友許多錢財，這是不光彩的。(不 用as)

　　4.He takes exercise everyday, which has done a lot of good to his health. 他每天運動，這對他的身體很有好處。(不用as)

　　5.As has already been pointed out, English is rather difficult for a foreigner. 正如已經(jīng)指出的那樣，英語對于初學者說，是相當難學的。在such…as…、the same…as…、 as…、 as many…/much as…等結構中,as不能用which代替。如：

　　1.Such books as this are too difficult for beginners. 這樣的書對于初學的人來說是太難了。

　　=Books such as this are …

　　=Books like this are …

　　2.I live in the same building as he (does). 我和他住再同一座大樓里。

　　3.He knows as many people as are present at the meeting. 他認識所有到會的人。

　　4.That day we all got up early as usual. 那天我們和平時一樣，都起得很早。

　　“One of the +復數(shù)名詞”后面定語從句中謂語單復數(shù)情況

　　這一結構后面的定語從句的謂語動詞通常用復數(shù)形式，跟定語從句所*近的那個復數(shù)名詞在數(shù)上保持一致。如：

　　1. That is one of the books that are required for study at school.

　　2. This is one of the most wonderful novels that have been published since 1990.

　　3. She is one of the few persons who know Spanish .

　　4. This is one of the most famous plays that were written in the thirties,

　　如果one of +復數(shù)名詞這一結構前面帶有the only、the very之類的限定語，后面定語從句的謂語動詞則要用單數(shù)形式，這是因為定語從句在意義上修飾的是而不是那個復數(shù)名詞。如：

　　1.He is the only one of the teachers who knows French in our school.( 修飾the only one)

　　He is one of the teachers who know French in our school.( 修飾the teachers)

　　2.This is the only one of the rooms that is free now. (修飾the only one)

　　This is one of the rooms that are free now. (修飾rooms)

　　as與which引導的定語從句

　　兩者均可引導非限制性定語從句，有時可以互換，但下列情況多用as。

　　1. 關系代詞引導的定語從句居句首時。 As we all know, the earth is round.

　　2. 當與such或the same連用時，一般用as。 Such books as you tell me are interesting. I have the same plan as you.

　　3. 當從句和主句語義一致時，用as，反之則用which。 She has married again, as was expected. She has married again, which was unexpected.

　　4. as在從句中作主語時，后面常接行為動詞的被動語態(tài)，如be known，be said，be reported等，如從句中行為動詞是主動語態(tài)，一般要用which作主語。

　　She has been late again, as was expected.

　　Tom has made great progress, which made us happy.

　　初三英語定語從句4

　　一、指人的意思

　　that用于指人，在定語從句中可用作主語、賓語或表語。如：

　　A driver that has knocked someone down must stop. 撞人的司機必須停車。(關系代詞that指driver，在從句中作主語)

　　He is the man that you have been looking for. 他就是你要找的那個人。(關系代詞that指man，在從句中作賓語)

　　He is not that man that he was. 他已不是過去的他了。(關系代詞that指man，在從句中作表語)

　　二、指物的意思

　　that用于指物，在定語從句中可用作主語、賓語或表語。如：

　　This is the plane that will fly to Tokyo in the afternoon. 這是下午要飛往東京的那架飛機。(關系代詞that指plane，在定語從句中作主語)

　　She was annoyed by something that I had said. 她為我說的某句話而不高興。(關系代詞that指something，在定語從句中作賓語)

　　Shengzhen is not the city that it used to be. 深圳現(xiàn)在已不是原來的那個城市了。(關系代詞that指city，在定語從句中作表語)

　　三、不用that的情況

　　(1) 在引導非限定性定語從句時。

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

　　(2) 介詞后不能用。

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

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

　　四、 只能用that作為定語從句的關系代詞的情況

　　(1) 在there be 句型中，只用that，不用which。

　　(2) 在不定代詞，如：anything, nothing, the one, all等作先行詞時，只用that，不用which。

　　(3) 先行詞有the only, the very,the same,the last,just修飾時，只用that。

　　(4) 先行詞為序數(shù)詞、數(shù)詞、形容詞最高級時，只用that,不能用which。.

　　(5) 先行詞既有人，又有物時。

　　(6) 先行詞指物，在主句中作表語時.

　　(7) 為了避免重復.

　　(8) 先行詞是the way或the reason時，that可作關系副詞，也可省略

　　(9) 主句的主語是疑問詞who /which時

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