Unit 4 Natural Disasters Discovering useful structures （ppt课件） (2)-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 4 Natural DisastersThe Attributive Clause（定语从句）定语从句）What is the attribute?（什么是定语）（什么是定语）定语：定语：6.Mother made a birthday cake for me4.Lucys father is a poor worker5.We belong to the third world.3.My brother is a teacher.2.They live in the room above.1.Its a red car The girl present is my sister.（

2、形容词）（形容词）(副词）副词）（代词）（代词）（数词）（数词）（名词所有格（名词所有格/形容词）形容词）（名词）（名词）定语：定语：11.This is the book that I need.10.There are two things to be discussed tomorrow9.I liked the food cooked by my mother.8.The swimming boy is my brother.7.The man under the tree is my teacher（介词短语）（介词短语）（现在分词）（现在分词）（过去分词）（过去分词）（不定式）（不

3、定式）（从句）（从句）She is the one that you never forget.见过她你便永远不能忘记。She is the heaven-sent angel you met.见过她你便知道她是天使。She must be the reason why God made a girl.她就是上帝制造女孩的原因。She wins everything that she might do.只要她愿意它可以得到一切。1.定语：可以是一个定语：可以是一个单词单词，一个，一个短语短语，一个，一个句子句子。2.名词名词是可以修饰名词的。是可以修饰名词的。3.动词：动词：作定语有作定语有V

4、ing，V-ed和和to do三种形式。三种形式。4.定语只对名词或代词起定语只对名词或代词起修饰修饰作用，我们无法从作用，我们无法从定语中得知名词或代词的定语中得知名词或代词的具体内容具体内容。总结概括：总结概括：What is the attributive clause?(什么是定语从句）什么是定语从句）Bobby is a boy who is very fat.先行词先行词 关系代词关系代词定语从句定语从句先行词先行词:被修饰的名词或代词被修饰的名词或代词关系代词：关系代词：1.连接从句；连接从句；2.替代先行词；替代先行词；当当He is the boy(who/that ofte

5、n goes to school late).先行词先行词关系词关系词 These are the trees(which/that were planted last year).先行词先行词关系词关系词 定语从句的一般结构是：定语从句的一般结构是：先行词先行词+关系词关系词+从句从句指出下列句子中的先行词和关系词指出下列句子中的先行词和关系词 先先行行词词是是人人关系代词关系代词:who whom whose that which先行词是物先行词是物如何改写成定语从句？如何改写成定语从句？找出两个简单句的共有成分；找出两个简单句的共有成分；将从句中的共有成分去掉；将从句中的共有成分去掉；用

6、关系词引导剩下的从句，并紧接在被修饰词之后用关系词引导剩下的从句，并紧接在被修饰词之后I love the girl.The girl has long hair.I love the girl who has a long hair.who,whom,that,whose,which 用法区别用法区别.who先行词先行词是人是人作定语从句的作定语从句的主语或宾语主语或宾语,作宾语可省略作宾语可省略.The man who is speaking at the meeting is a worker.The man is a worker.The man is speaking at the

7、meeting.分解分解who作主语作主语 whom 先行词先行词是人，是人，作定语从句的作定语从句的宾语宾语,作宾语可作宾语可省略省略.The woman whom they wanted to visit is a teacher.The woman is a teacher.They wanted to visit the woman.分解分解whom作宾语作宾语which先行词是先行词是物物,作定语从句的作定语从句的主语或宾语主语或宾语,作宾作宾语可省略语可省略.I like the book which you bought yesterday.I like the book.You

8、 bought the book yesterday.分解分解which作宾语作宾语that先行词可以是先行词可以是人或物，人或物，可以作定语从句的可以作定语从句的主主语和宾语语和宾语,作宾语可省略作宾语可省略.The man that is speaking at the meeting is a worker.The man is a worker.The man is speaking at the meeting.分解分解that作主语作主语 whose 先行词先行词是人或物，是人或物，作定语从句的作定语从句的定语。定语。The woman whose hair is red is a

9、 teacher.The woman is a teacher.The womans hair is red.分解分解whose作定语作定语成分成分指代指代 主语主语宾语宾语定语定语指人指人whowhom/whowhose指物指物whichwhichwhose指人或物指人或物thatthatwhose关系代词在定语从句中作关系代词在定语从句中作宾语宾语可省略可省略例例 1:The man _ gave you the talk yesterday is our teacher.that/who指人指人:that/who(主语主语)例例2:The boy_ the nurse is lookin

10、g after is my friend.(who/whom/that)指人指人:who/whom/that(宾语宾语,可省略可省略)例例4:The question_ I dont know is about grammar.(that/which)指物指物:that/which(宾语宾语,可省略可省略)例例3:The car_ is red was damaged yesterday.that/which指物指物:that/which(主语主语)例例5：Yesterday she talked with one woman _ husband died in that accident.A

11、.which B.whose C.of which D.thatB关系代词表示先行词的所属关系，指人和关系代词表示先行词的所属关系，指人和物时都用物时都用whose,可理解为可理解为“的的”that和和which在指物的情况下一般都可以互换在指物的情况下一般都可以互换,但在但在下列情况下下列情况下,一般用一般用that而不用而不用which。She has something that you can borrow.(1)先行词为不定代词先行词为不定代词all,everything,nothing,much,something,anything,little等等,that来把来把which踹。

12、踹。Ive read all the books that are not mine.This is the first tree that he has planted.This is the very book that I want to read.(3)先行词前序高级，使用先行词前序高级，使用that必无疑。必无疑。all,every,no,some,any,little,much,the only,the very,the same,the last(4)先行词有先行词有人和物，人和物，that来当顶梁柱。来当顶梁柱。The film star and her film that y

13、ou have just talked about are well-known.(5)先行词在特疑中，避免重复先行词在特疑中，避免重复that冲。冲。Who is the man that is standing there?Which is the T-shirt that fits me most?只用只用which/who不用不用that：1.非限制性定语从句中，前面有逗号，只能用非限制性定语从句中，前面有逗号，只能用which/who。2.介词后面的的关系代词只能用介词后面的的关系代词只能用which/who3.先行词本身是先行词本身是that时，关系词只能用时，关系词只能用whic

14、h/that4.先行词时先行词时those时，关系词用时，关系词用which/who小试牛刀小试牛刀1)Anything _ can burn is a source of heat energy.2)This is the very book _ Im looking for.3)They talked about things and persons _ they remembered in the school.4)Which is the book _ you lost?5)This is the best film _ I have ever seen.6)Please get re

15、ady for everything _ we need.7)This is the watch_ I lost yesterday.thatthatthatthatthatthatthat/whichDo you know the man _ is talking with your mother?This is the person _ you should thank for helping your son.The girl _ graduated from Cambridge University is called Amanda.I like those books _ topics are about history.Any student _ family is too poor to go to school can get help from the government.Look，here are some people _ I want you to meet.whowho/whom whowhosewhosewho/whom/that 基础训练基础训练Thank you