人教版 (2019)必修 第一册Unit 4 Natural disasters教学演示课件ppt

这是一份人教版 (2019)必修 第一册Unit 4 Natural disasters教学演示课件ppt，共24页。PPT课件主要包含了先行词，关系词，定语从句，定语从句的构成，thatwho，thatwhich，2先行词被特定，关系代词的用法，人物的，主语宾语等内容，欢迎下载使用。
3.只用that不用which 的情况
I like lyal friends.I like the friends wh are lyal.
定语从句：在复合句中修饰名词或代词的从句。汉语翻译中中常用，“的”表示。
Bbby is a by （wh is very fat.）.
先行词: 被修饰的名词或代词关系词：1.连接从句；2.替代先行词； 当
两个简单句：She gave a reasn .The reasn was nt true.
合并：She gave a reasn which was nt true.
关系词+定语从句
①找出两个简单句的共有成分；②将从句中的共有成分去掉；③用关系词引导剩下的从句，并紧接在被修饰词之后．
He is the teacher wh keeps yu cmpany(陪伴) frm the beginning f the term t nw.The wman whm they wanted t visit is a teacher.I like the bk which yu bught yesterday.Our class is a big family which cnsists f 55 students.The man that is speaking at the meeting is a wrker.The wman whse hair is red is a teacher.
注意：1.关系代词在定语从句中作宾语可省略 2.关系词中有介词，只能which\whm
+ whse ··的（所属关系）
关系代词：先行词指人：wh，whm先行词指物：which先行词指人指物均可：that所属关系：whse
①wh：指人，在从句中作主语或宾语 (作宾语可省略）A wanderer wh is determined t reach his destinatin des nt fear the rain.既然选择了远方，便只顾风雨兼程。——汪国真分解：A wanderer des nt fear the rain.A wanderer is determined t reach his destinatin. wh 指代 a wanderer，在从句中充当主语。
②whm：指人，作宾语 (作宾语可省略，如介词提前则不能省) He is the man whm I saw yesterday.他是我昨天见过的那个人。whm指代the man，在从句中充当宾语。(1) The man (whm/wh) I talked t is Mr. Li.(2) The man t whm I talked is Mr. Li.
③which：指物，在定语从句中作主语或宾语，作宾语时常可省略。(1) This is a car which is made in China. (作____)(2) I lve the bk which has beautiful pictures. (作____)
例 1: The man __________ gave yu the talk yesterday is ur teacher.
指人: that/wh (主语)
例2: The by_________________ the nurse is lking after is my friend.
(wh/whm/that)
指人: wh/whm/that(宾语,可省略)
④that指人或物 在定语从句中作主语或宾语，作宾语时常可省略。(1) I lve the man that can smile in truble and that can gather strength frm pain, and grw brave by thught. (作____)指人时可以用wh，whm代替。(2) Yesterday I read an article that was abut natural disasters. (作____)指物时可以用which代替。
例4: The questin_______________ I dn’t knw is abut grammar.
(that/which)
指物: that/which (宾语,可省略)
例3: The car________________ is red was damaged yesterday.
指物: that/which (主语)
⑤whse在定语从句中作定语，与后面的名词为所属关系。whse既可指人，也可指物。(1) He has a friend whse father is a dctr.(2) The classrm whse dr is brken will sn be repaired.(3) D yu like the bk whse cver is yellw?
例5：Yesterday she talked with ne wman ____ husband died in that accident. A. which B. whse C. f which D. that
关系代词表示先行词的所属关系，指人和物时都用whse,可理解为“…的”
只用that而不用which的情况。
She has smething that yu can brrw.
(1) 先行词为不定代词all, everything, nthing, much, smething,anything, little等
I’ve read all the bks that are nt mine.
This is the first tree that he has planted.
This is the very bk that I want t read.
(3)先行词前序数词或最高级修饰时
all, every, n, sme, any, little, much, the nly, the very, the same, the last修饰
(4)先行词既指人又指物
The film star and her film that yu have just talked abut are well-knwn.
(5)先行词在特疑中，避免重复that冲。
Wh is the man that is standing there? Which is the T-shirt that fits me mst?
关系代词that, which , whm 在从句中作宾语时可省略掉。但放在介词后面只能用whm/which而且不可省略。
1. D yu still remember the earthquake ___________ happened ten years ag? 2. It is a gd chice fr turists ________ prefer visiting places f histrical interest.3. This is the pilt with ______ my brther has wrked fr ten years.4. Culd yu please pass me the bk ________ cver is green? 5. Jacksn likes the bike __________ his uncle gave him as a birthday gift.
6. The schl in ________ my sister nce studied is very famus.7. Prfessr Yang is a persn frm ______ I have learned a lt. 8. The by ______ parents are teachers is my classmate.9. Lucy called her brther ______________ she hadn't seen fr five years.10. It is the mst interesting stry ______ I have ever heard.
that/whm/wh