高一英语必修三-宾语从句.ppt课件(PPT 27页)

1、 宾语从句The Object Clause第1页，共27页。什么是宾语从句宾语从句的语序宾语从句的时态宾语从句的分类宾语从句的连接词第2页，共27页。 我们 知道 姚明We know Yao Ming 我们 知道 他是一个著名的篮球运动员We know宾语从句就是由一个句子来构成主句的宾语，并有一个连接词引导。 一 什么 是宾语从句？试比较宾o宾o主s谓vhe is a famous basketball player主s谓v宾othat连接词我们 知道 他是一个著名的篮球运动员谓v主s第3页，共27页。二、宾语从句的分类1、做动词的宾语 e.g. We know youre harding

2、-working.2、做介词的宾语 e.g. Im really interested in what is happening.3、做形容词的宾语 在主句为动词be加某些形容词（如sorry, sure, afraid, glad等）作表语时，后面所跟的省略that的从句也可算是宾语从句 e.g. Im afraid itll cost a large amount of money.第4页，共27页。三、连接词（引导词）宾语从句结构：主句 +连接词（引导词）+ 宾语从句1、当陈述句作宾语时 结构:主句+that + 从句2. 当一般疑问句作宾语时 结构:主句+ if(whether) +从

3、句3.当 特殊疑问句作宾语时 结构:主句+特殊疑问词+从句第5页，共27页。 1. 当宾语从句是陈述句时（包括肯定句和否定 句），由连词that引导。that在从句中不作 任何成分，也没有具体意思，因此在口语 或非正式文体中常省略。e.g. I cant say (that) I have any plans. Do you think (that) its genuine?第6页，共27页。练一练I think (that) _. （我要上路了）2. Im afraid (that)_. （我不太明白你的意思） Ill be on my way I dont quite follow you

4、第7页，共27页。2. 当宾语从句是一般疑问句时，由连词whether或if引导（口语中常用if），意为“是否”，具有一定的意义，所以不能省略例如：I didnt know whether (if) I could survive until morning.He asked me whether (if) I could help him.第8页，共27页。注意以下情况只用whether，不用if。1. whether引导的从句常可以与or或or not直接连用。 如： Let me know whether you can come or not. Let me know if you c

5、an come or not. Let me know if or not you can come.2. 当宾语从句提到句首时，只能用whether引导。如： Whether it is true or not, I cant tell. If it is true or not, I cant tell. 第9页，共27页。3. whether可以引导带to的不定式。如： I dont know whether to accept or refuse. I dont know if to accept or refuse. 4. 介词之后用whether。如： I worry about

6、whether I hurt her feelings. I worry about if I hurt her feelings. 第10页，共27页。Practice timeif / whether1. I asked her _ she had a bike.2. Were worried about _ he is safe.3. I dont know _ he is well or not.4. I dont know _ or not he is well.5. I dont know _ to go. if / whetherwhetherwhether /ifwhether

7、whether第11页，共27页。3. 当宾语从句是特殊疑问句时，由连接代词（what, who, whom, which, whose）或连接副词（when, where, how, why）引导，因为连接代词或连接副词在从句中担任一定的句子成分，具有一定的意义，所以不可以省略Do you know what he said just now ? I dont remember when we arrived . I asked him where I could get so much money .第12页，共27页。四、宾语从句的语序句子的两种语序:1.陈述句结构叫陈述语序 2 疑问句

8、结构叫疑问语序 宾语从句必须用 _陈述语序There is a shop near here.Is there a shop near here?第13页，共27页。一般疑问句做宾语我问他是否想去游泳1, 改为陈述语序， 2，用if/whether连接I ask Does he want to go swimming?he wants to go swimming.if/whetherI ask 第14页，共27页。我想知道你最喜欢那一条领带？特殊疑问句做宾语第15页，共27页。特殊疑问句做宾语Which coat did you like best?I wonder which coat y

9、ou like best.用疑问引导，改为陈述语气。我想知道你最喜欢哪一条领带？Which tie do you like best特殊疑问句变成 陈述语序连接词就是疑问词本身I wonderI wonder ATTENTIONwhich tie you like best?第16页，共27页。 将下列句子改成陈述句语序： 1.Is there a bank near here? 2.Are they doing homework? There is a bank near here They are doing homework第17页，共27页。将下列句子改成陈述句语序：3. Where

10、does he live? 4.What language does she speak? 5.Why do you like pandas? Where he livesWhat language she speaks Why you like pandas第18页，共27页。陈述句：He is a writer .老师说他是个作家。My teacher says .一般疑问句：Is he a writer ?我想知道他是否是个作家吗？I wonder .特殊疑问句：Who is he ?我不知道他是谁。I dont know . ( that) he is a writer who he

11、iswhether / if he is a writer 第19页，共27页。1、Mark Twain was born in Florida .2、I was told .1、Are you an American ?2、Roderick asked Henry .1、How is that possible ?2、Oliver wants to know.Exercise Combine the following sentencesI was told ( that ) Mark Twain was born in Florida .Roderick asked Henry wheth

12、er / if he was an American .Oliver wants to know how that is possible . 第20页，共27页。五、宾语从句的时态1. 如果主句是现在的时态 （包括一般现在时 ， 现在进行时，现在完成时），从句的时态可根 据实际情况而定，（包括一般现在时，一般过 去时，一般将来时，现在完成时等）I know he lives here .I know he lived here ten years ago . I have heard that he will come tomorrow .第21页，共27页。2.如果主句是过去的时态（包括一

13、般过去时，过去进行时），那么从句的时态一定要用相对应的过去的某种时态（包括一般过去时，过去进行时，过去将来时， 过去完成时）I knew who lived here. I saw she was talking with her mother. He asked whether his father would come back tomorrow. He said that he had seen it .第22页，共27页。3.当从句是客观真理，定义，公理，定理 时用一般现在时。The teacher said that the earth travels around the sun.

14、第23页，共27页。The radio says it _ cloudy tomorrow. (be)The headmaster hopes everything _ well. (go)Tom says that they _ (play) basketball at six oclock yesterday evening. I hear they _ (return) it already. 5. I didnt know what time he _ the letter. (write) will be goes were playing have returned wrote 第

15、24页，共27页。宾语从句三要素引导词that（陈述句 ）ifwhether（一般疑问句 ） 特殊疑问词（特殊疑问句)时态主句为一般现在时从句可为任何时态主句为一般过去时从句一般过去时过去将来时过去进行时过去完成时语序宾语从句的语序都为陈述句语序客观真理 自然现象公式定理 名言警句 时态不变六、小结第25页，共27页。Do you know _?A. where does she live B. she lives whereC. where she lives D. where she live2. His parents wanted to know what he _at that time. A. is doing B. was doing C. has done D. will doCB巩固练习：I从下列A、B、C、D中选择一个正确选项填空。第26页，共27