1、一、定语从句的概念 在复合句中做定语，修饰某一个名词或代词的从句叫定语从句。被修饰的名词或代词叫先行词，定语从句一般放在先行词的后面，由关系词引导。定语从句的结构是：先行词+关系词+定语从句。二、定语从句的关系词引导定语从句的关系词有关系代词和关系副词，常见的关系代词 包括(that ， which， who，whom， whose）等，关系副词包括(where， when， why)等。关系代词和关系副词放在先行词及定语从句之间起连接作用，同时又作定语从句的重要成分。（主语和宾语等）Eg: 1. Do you know the boy that/who is from Japan. （主语）
2、2. I dont like the book that/ which is boring. (主语)3.I dont know the time when we will start.(状语)三、学习关系代词 that, who, which, whose 的用法1. Do you know the boy that/who is from Japan.（主语）2. the man （that/who ） I talked with just now is my teacher. (宾语)先行词关系词代词作用 能否省略人 that, who主语,宾语否能物 that, which主语,宾语否
3、能人或物thatwhose主语,宾语定语 否3. I dont like the book (that/ which) is boring. (主语)4. The bike （that/ which） I borrowed yesterday is Kangkangs. (宾语)5. I have a pen whose color is black.(定语) 6. I know the boy whose father is a teacher. （定语）练习. 用适当的关系代词 that， which， who， whom填空。1. The thing _you must do is to
4、 have a meal.2. April 1st is the day _is called April Fools Day in the west.3. The family _had lost everything in a big fire got much help from their friends.4. The house _we live in is very old.5. Didnt you see the man _I talked with just now？四、关系代词只能用 that 的情况：1.先行词被序数词或形容词最高级所修饰，或本身是序数词、基数词、形容词最高
5、级时，只能用 that.例如：He was the first person that passed the exam. 他是第一个通过考试的人。2.当先行词为 all，any，much ，everything，anything，none 等不定代词时，只能用 that.例如：Is there anything that you want to buy in the shop？你在商店里有什么东西要买吗？ 3.先行词被 the only， the very， the same， the last 等词修饰时，只能用 that. 例如：This is the same bike that I l
6、ost. 这就是我丢的那辆自行车。4.先行词里同时含有人或物时，只能用 that.例如：I can remember well the persons and some pictures that I saw in the room.我能清楚记得我在那个房间所见到的人和一些照片。5. 以 who 或 which 引导的特殊疑问句，为避免重复，只能用 that.例如：Who is the girl that is crying？ 正在哭泣的那个女孩是谁？单项填空。（ ）1. -Do you know the man _is talking with your father？-Yes， hes o
7、ur headmaster.A. he B. who C. which D. whom（ ）2. This is the best hotel in the city _I know.A. where B. which C. that D. it（ ）3. Can you lend me the dictionary _ last week？A. that you bought B. you bought itC. that you bought it D. which you bought it（ ）4. Anyone _with what I said may put up you han
8、ds.A. which agrees B. who agreeC. that agrees D. which agree（ ）5. the only thing _I can do for him is give him some help. A. that B. it C. which D. who（ ）6. The man _coat is black is waiting at the gateA. whos B. whose C. that D.of which.（ ）7. The girl _ is reading under the tree _my sister.A. which
9、； is B. whom； was C. who； is D. who； was（ ）9. I love places _the people are really friendly.A. that B. which C. where D. who宾语从句与定语从句的区别宾语从句的引导词有 that, if/whether 以及疑问词代词 what, which, who, whose, 和疑问副词 how, when, where, why.学习宾语从句要注意的是引导词，语序，时态（主是现在时，从句可以是任何时态，而主句是过去时，从句则用相应的过去时。）定语从句的关系词有关系代词和关系副词 关系代词有：that， which， who，whom，whose 关系副词有：where， when， why学习定语从句注意的是先行词， 关系词的选择， 关系词在从句中做主语，宾语，表语的句子成分。
