宾语从句讲解幻灯片

1、Welcome to our class,九年一班,We know him. （宾语）,We know he likes English. （宾语从句）,Object Clauses,宾语从句,一教学任务 复习宾语从句 二教学重点 1.宾语从句的概念 2.宾语从句的引导词 3.宾语从句中的语序 4.宾语从句的时态变化,三. 教学难点 1. if与whether的区别 2. when与if 引导的宾语从句和状语从句 3.宾语从句与简单句的互换,一.概念：句子的宾语一般由名词、代词、 动名词或动词不定式充当，当一 个句子充当宾语时,我们把这个句 子叫做宾语从句。,Do you know who is the first Chinese astronaut(宇航员)? Our teacher told us that the earth goes around the sun. I dont know if he will come tonight.,找出宾语从句,We are proud of that Beijing is one of the biggest cities in the

2、 world .,宾语从句三要素,引 导 词,时态呼应,陈述语序,that if/whether 特殊疑问词,引导词+主语+谓语+其他,当陈述句充当宾语时， 由 _连接。,(1). This is a book. I know I know that this is a book. (2).They will go home. Tell Lucy Tell Lucy that they will go home.,二.宾语从句的引导词,that,(2) Does Kate get up early? Do you know?,Do you know if /whether Kate gets up early?,(1) Is Jim a good student? I dont know,I dont know if /whether Jim is a good student.,.当一般疑问句充当宾语，由_ 连接,if/whether,注意：宾语从句末尾的标点符号由主句决定，不受从句的限制.,3.当特殊疑问句充当宾语时，由 _ 连接,Eg:,1.What is she doing?

3、Can you tell me?,Can you tell me what she is doing?,2.Where does she live? Do you know?,Do you know where she lives?,特殊疑问词,(what,who,how,where,when,what time,how ofen,how much.),3. How much are these shoes ? She asks,She asks how much these shoes are.,Helen says that she will learn French next year. Do you know where he comes from? He asked me if I could get to the bus station on time.,三. 宾语从句的语序-陈述语序,无论主句是陈述句还是疑问句，宾语从句都是运用陈述句的语序，即是“主语在前，谓语在后”的顺序。,_,_,_,注意：疑问词作主语时,句子本身为陈述语序;所以,在宾语从句中 都不需要改变语序.,1

4、. Whats wrong with you ? I wonder _.,2. What happened to you ? He asked me _.,3. Which is the way to the station? Please tell me _.,whats wrong with you,What happened to you,Which is the way to the station,主句时态,从 句 时 态,连 接 前,连 接 后,一般现在时,时态由从句决定,一般过去时,一般现在时work,一般过去时worked,一般过去时 worked,过去完成时had worked,一般将来时will work,过去将来时would work,现在进行时is working,过去进行时was working,现在完成时have worked,过去完成时had worked,四.宾语从句的时态变化,填一填,was,is,Will cook,is singing,has been,was playing,had learned,1.当主句是一般现在时，宾语从句的时态不作限制，

5、我们可以根据句子的需要使用任何一种时态。 （需要性原则）,2.当主句是一般过去时的时候，宾语从句必须运用相应的过去的某一种时态，从而达到主句和从句的相互一致。（呼应性原则）,1) He will go to Hong Kong . 2) He is sick. 3) He is reading a book . 4) He has finished his work.,1) He to Hong Kong .,2) He sick. 3) He a book . 4) He _ his work.,辨一辨,would go,was,was reading,had finished,3.当宾语从句说明的是客观存在的真理时，就不用受到主句时态的限制，仍是用一般现在时态。（特殊性原则）,He told me (that)Summer is after Spring .,I was told (that)the sun is much bigger than the moon.,My parents told me (that) no news is good news.,五.宾语从句的难点：

6、,if与whether的区别 when与if 引导的宾语从句和状语从句 宾语从句与简单句的互换,一般情况下，if 和whether可以互换，但以下3种 情况只能用whether： 1. 与or not连用： I dont know whether he will come or not tomorrow 2. 在介词之后： It depends on whether it is going to rain. 3. 在不定式之前： We havent decided whether to go there. 4.作主语只能用whether Whether he will come is not decided.,比一比 I dont know where I should go. Tell me how I can do it. I dont know where to go. Tell me how to do it. 你有什么发现？ 结论：由连接代词和连接副词引导的宾语从句 疑问词 + to do 的简单句。 条件：主句的主语的从句的主语相同,宾语从句与简单句的转换,练一练 1.I

7、dont know what I shall do next .(变为简单句) I dont know _next . 2.Can you tell me how to get to the bus stop ?(变为复合句） Can you tell me _ the bus stop ? 3.He doesnt know if he can go .(变为简单句) He doesnt know_,What to do,how I can get to,whether to go,when引导的宾语从句时，意为“什么时候“； when 引导的时间状语从句时，意为”当时候“,I dont know when he will come tomorrow. When he comes tomorrow,I will let you know.,if 引导宾语从句时，意为”是否“； if引导条件状语从句时，意为”如果“,I dont know if he will come tomorrow. If he comes tomorrow,Ill call you.,练一练：,( )._ I w

8、onder if Maria_us in the fashion show tonight. _ If she _ her homework, she will join us . A. joins; finishes B. will join ;finishes C. joins ;will finish D. will join;will finish （ ）. _ Excuse me .Please wake me up when my friend _ here? _ Of course. But we still dont know when your friend _ here. A. comes;will come B comes; comes C. will come ;comes D. will come;will come,B,A,The radio says it _ cloudy tomorrow. (be) The headmaster hopes everything _ well. (go) Tom says that they _ (play) bask

9、etball at six oclock yesterday evening. I hear they _ (return) it already. He said that they _ members of the Party since 1948. (be),will be,goes,were playing,has returned,had been,适当形式填空,六.强化训练,Could you tell me ? A. where the twins were B. where the twins are C where are the twins A: Do you know ? B: Yes , he came here by train . A. when he came here B. if he will come here C. why he came here D. how he came here 3.She says she English for ten years . A. learned B. has learned C. was learning D. have learned 4. The teacher told us that the earth round .

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