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1、定语从句的用法1.what不能引导定语从句.2.关系词的分析须考虑它在定语从句中的成分。 一.指人的关系代词有who、whose、whom、that. 试分析： 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 ma
2、n who/whom that my father shook hands with just now is our headmaster.）注： A指人时有时只用who不宜用that。 1先行词为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先行词为these时 These who are going to Beijing are the best
3、students of our school. 3在there be 开头的句子中 There is a student who wants to see you. 4一个句子中带有两个定语从句，其中一个定语从句的关系代词是that，另一个宜用who，以免重复。 The student that won the first prize is the monitor who works hards. 5在非限制性定语从句中 A。I met a friend of mine in the street, who had just come from Japan. B主句以who开头的句子中,只用t
4、hat,不用who。 二指物的关系代词有which、whose(=of which)、that. 试分析： 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
5、whose windows face south. (= I live in the room ,the windows of which face south.) 注： A. 介词如果位于作为其宾语的关系代词之前时，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. 部分短语动词中的介词不可与动词拆开，在定语
6、从句中其介词不可前置，只能放在其动词之后。 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 Pings son. C指物时，下列情况下只能用that ，不宜用which。 （1）先行词为不定代词，如All、much、anything、everything、nothing、something、none、the one等。 We are willin
7、g 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）先行词是序数词或被序数词、修饰时。 The first book that I read last night was an English novel. （3）先行词是形容词最高级或被最高级修饰时。 This is one of the most interesting films that I have ever seen. This is the be
8、st that can be done now. （4）如果有两个或两个以上分别表示人和物的先行词时(先行词既有人又有物)，定语从句的关系代词用which和who都不合适，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）如果先行词被the only、the very、the last、the same、any、 few 、little、no、 all 、
9、one of、 just修饰时。 This is the only book that can be lent to you. （6）当主句是以which开头的特殊问句时，关系代词只用that。 Which is the dictionary that he used yesterday ? D只物时，下列情况下只能用which，不宜用that。 （1）关系代词放在介词之后 This is the factory in which we once worked. （2）非限制性定语从句中 This is the book, which is written by Lu Xun. （3）that
10、，Those作主语时 Those which are on the desk are English books. E先行词前有such、the same、 as时, 关系代词用as，不用that, 但the sameas表示同样的, the samethat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. 三比较When/which、where /which、why. which I still never forget. Th
11、is 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. 限制性定语从句与非限制性定语从句的区别： 限制性定语从句 非限制性定语从句 All the students who study hard have passed.学习努力的学生
12、都考试及格了。(只有努力的及格了，不努力的没及格。) All the students ,who study hard have passed.所有的学生都及格了，他们学习努力。（没有人不及格，这些学生都很努力。） 从句是先行词不可缺少的定语（如去掉，主句意思就不完整或不正确。）从句是对先行词的附加说明（如去掉，主句意思仍清楚，不受影响。）与主句关系密切，不用逗号与主句关系不十分密切，用逗号与主句隔开译为汉语时，从句译在先行词前，与先行词用“的”连接译为汉语时，从句放在主句后面关系代词that可以代替who、whom(指人)、which(指物) 关系代词不用that,只用who、whom(指人
13、)、which(指物) 关系代词代替宾语时可以省略关系代词不能省略关系代词as和which 先研究下面两个例句： 1.This elephant is like a snake, as /which everybody can see. =As everybody can see, this elephant is like a snake. 任何人都看得出来，这头象像条蛇。 2.Tom didnt pass the physics exam, which made his parents very angry. Tom物理考试不及格，这使得他父亲很生气。 这两个例句中，as和which所代表
14、的都是整个主句所表示的内容。但有两点不同之处： 1在形式上as引导的非限制性定语从句可位于主句的后面，也可位于主句的前面；而which引导的非限制性定语从句只能位于主句的后面，不能位于主句的前面。 2在意义上，as引导的定语从句和主句的关系一般为一致关系，常译为“正如”，“就像”，而which引导的定语从句和主句的关系是因果关系，或which引导的定语从句是对主句的评论。因此，在意思通顺的情况下，which可代替as，而as许多时候不能代替which，如句2。再如： 1He was late again, as / which we had expected. =As we had expec
15、ted, he was late again. 正如我们所料，他又迟到了。/他又迟到了这是我们早就料到的。 2 The street hasnt been cleared for weeks, which makes it very dirty. 街道好多星期没有打扫了，因此整条街很脏。（不用as） 3The young man cheated his friend of much money, which was disgraceful. 那年轻人诈骗了他朋友许多钱财，这是不光彩的。（不用as） 4He takes exercise everyday, which has done a lot of good to his health. 他每天运动，这对他的身体很有好处。（不用as）
