Unit 4 Section Ⅲ　Discovering Useful Structures （新教材）人教版（2020新）必修第一册同步课件.pptx

1、英 语 Section Discovering Useful Structures 语法图解语法图解 定语从句定语从句关系代词关系代词(1) 探究发现探究发现 1.A teacher is a person who/that passes knowledge to the students. 教师是向学生传授知识的人。教师是向学生传授知识的人。 2.The woman that/whom/who you met in the street is Kate. 你在街上碰到的那位女士是凯特。你在街上碰到的那位女士是凯特。 3.This is the town which/that I visite

2、d last year. 这是我去年参观过的城镇。这是我去年参观过的城镇。 4.The boy whose father works abroad is my deskmate. 父亲在国外工作的那个男孩是我的同桌。父亲在国外工作的那个男孩是我的同桌。 5.This is the room in which he lived before. 这是他之前居住过的房间。这是他之前居住过的房间。 6.The teacher with whom I work knows French. 和我一起共事的那位老师懂法语。和我一起共事的那位老师懂法语。 7.The plane landed safely,w

3、hich made us very happy. 飞机安全降落飞机安全降落,这使我们很高兴。这使我们很高兴。 that 指人或物指人或物,常做主语、宾语或表语常做主语、宾语或表语; which 指物指物, 做主语、宾语或表语做主语、宾语或表语,常用于非限制性定语从句中常用于非限制性定语从句中; who 指指 人人,做主语或宾语做主语或宾语; whom 仅指人仅指人,在句中做宾语在句中做宾语; whose 指人或物指人或物,做定语做定语;关系代词关系代词 which/whom 在定语从句中做在定语从句中做 介词的宾语时介词的宾语时,从句常由从句常由“介词介词+ which/whom ”引导引导,

4、即把即把 介词提到了关系代词之前介词提到了关系代词之前; which 引导非限制性定语从句引导非限制性定语从句, 做主语或宾语做主语或宾语,也可代替前面的整个句子。也可代替前面的整个句子。 词汇精讲词汇精讲 定语从句定语从句关系代词关系代词(1) 定语从句基本概述定语从句基本概述 1.定义定义:在复合句中修饰主句中的某一名词或代词的从句在复合句中修饰主句中的某一名词或代词的从句,叫叫 做定语从句。它所修饰的名词或代词叫做先行词。做定语从句。它所修饰的名词或代词叫做先行词。 2.构成构成: 3.关系词关系词 代词 代词:, 副词副词:, 4.关系代词的用法关系代词的用法: (1)who指人指人,

5、在定语从句中可以充当主语、宾语或表语。在定语从句中可以充当主语、宾语或表语。 (2)whom指人指人,在定语从句中做宾语在定语从句中做宾语,可以省略可以省略,也可以用也可以用who 或或that代替。代替。 (3)which指事物指事物,在定语从句中可以做主语或宾语或表语在定语从句中可以做主语或宾语或表语,做做 宾语时可以省略。宾语时可以省略。 (4)that既可以指人既可以指人,也可以指物也可以指物,在定语从句中可以做主语、在定语从句中可以做主语、 宾语或表语宾语或表语,做宾语时可以省略。做宾语时可以省略。 (5)whose既可修饰人既可修饰人,也可修饰物也可修饰物,表示所属关系表示所属关系

6、,whose在定在定 语从句中做定语。语从句中做定语。 5.宜用宜用that不宜用不宜用which引导定语从句的情况引导定语从句的情况: (1)先行词被序数词或形容词的最高级修饰时。先行词被序数词或形容词的最高级修饰时。 (2)先行词是先行词是all,any,anything,everything,nothing或被它们修或被它们修 饰时。饰时。 (3)先行词被先行词被the only,the very,the same,the last等修饰时。等修饰时。 (4)先行词既有人又有物时。先行词既有人又有物时。 (5)主句是主句是who或或which引导的特殊疑问句时。引导的特殊疑问句时。 6.

7、宜用宜用who不宜用不宜用that引导定语从句的情况引导定语从句的情况: (1)先行词是明确指人的先行词是明确指人的one,ones,anyone或或those等词时。等词时。 (2)在在there be句型中句型中,先行词指人时。先行词指人时。 (3)当先行词为人称代词时。当先行词为人称代词时。 (4)有两个定语从句有两个定语从句,先行词指人先行词指人,其中一个已用其中一个已用that时时。 7.宜用宜用which而不用而不用that的情况的情况: (1)当关系代词前有介词当关系代词前有介词,且先行词指物时。且先行词指物时。 (2)当引导非限制性定语从句时。当引导非限制性定语从句时。 (3)

8、当先行词是当先行词是that或或those,且指物时。且指物时。 (4)有两个定语有两个定语,先行词指物先行词指物,其中一个已用过其中一个已用过that时。时。 即学即练即学即练 单句改错单句改错 (1)The film that we saw it last night was very interesting. 去掉去掉it (2)The girl which you spoke of the other day didnt attend the class meeting. whichwho/whom/that或者删掉或者删掉which 单句语法填空单句语法填空 (3)Danny was

9、 a man who/whom/that we rescued from the ruins. (4)I didnt know the person whose suitcase was missing. 选词选词填空填空 that which who whom whose (5)Many Westerners who/that come to China like Chinese food. (6)Let me show you the novel which/that I borrowed just now. (7)Thats the new machine whose parts are too small to be seen. (8)She has won first prize, which surprised us. (9)The woman who/whom/that you talked with yesterday will come here tomorrow. (10)This is the professor from whom weve learnt a lot. (11)Great changes have taken place in the city in which they are working.