人教版英语九年级全一册 Unit 2 专题讲解-宾语从句.pptx

1、Object Clause宾语从句宾语从句人教版新目标人教版新目标 九年级九年级 Unit2一学习重点：一学习重点：1.1.学习并掌握宾语从句的定义学习并掌握宾语从句的定义、引导词、语序、引导词、语序、时态。时态。2.2.学习并掌握学习并掌握宾语从句与简单句的转换。宾语从句与简单句的转换。3.3.学习并掌握学习并掌握宾语从句否定的转移。宾语从句否定的转移。二、学习难点：二、学习难点：1.1.学习并掌握宾语从句的语序、时态。学习并掌握宾语从句的语序、时态。2.2.if if与与whetherwhether的区别的区别Learning Aims We know him We know he lik

2、es English.主主s s主主s s谓谓v v谓谓v v宾宾o o宾宾o o 在复合句中，由一个句子来充当宾语，这在复合句中，由一个句子来充当宾语，这个句子叫做宾语从句。个句子叫做宾语从句。主主s s谓谓v v宾宾o o简单句简单句复合句复合句 一、什么是宾语从句宾语从句？试比较比眼力：请判断下列句子中哪些是宾语从句。Do you know who is the first Chinese astronaut(宇航员宇航员)?Our teacher told us that the earth goes around the sun.Please tell me where she ha

3、s gone.I dont know if he will come tonight.Lets find out whats going on.Find out the Object Clauses uthat：在从句中：在从句中 在口语中常在口语中常被省略被省略。e.g.I hear(that)he will be back in an hour.He told me(that)the meeting was over.1、从句原形是陈述句的，从句原形是陈述句的，由由that引导。引导。二二.宾语从句的引导词（连接词）宾语从句的引导词（连接词）无词义，无词义，不充当成分，不充当成分，只起连接

4、作用，只起连接作用，练一练：练一练：1.I hear()_.（一小时后他将会回来）1.He thinks()_.（我正在看电视）3.The teacher told us()_.（地球围着太阳转）he will be back in an hour I am watching TV the earth goes around the sunthatthatthat1.Is it an English book?2.Can Alice play the piano?3.Do you like swimming?Can you tell me if/whether it is an English

5、 book.I dont know if/whether Alice can play the piano.Please tell me if/whether you like swimming.2.从句原形是从句原形是一般疑问句一般疑问句的，的，由由 whether,if 引导。引导。e.g.Is she right?I want to know if/whether she is right.“Can they visit the museum?”They wonder if/whether they can visit the museum.uif/whether 引导宾语从句引导宾语从

6、句 表示表示“”之义，在句中之义，在句中 句子成份。句子成份。是否是否不充当不充当if 与whether 的区别1.I dont know _ he will come or not.2.That depends on _ he can come back.3.He wondered _ to stay here the next week.与与or not 连用只能用连用只能用whether 介词后只能用介词后只能用whether与不定式与不定式to do 连用只能用连用只能用whetherwhetherwhetherwhether练一练：请用if 或whether 来填空。1.Can yo

7、u tell me _ it will rain tomorrow?2.I dont know _ this bike is Bobs.3.He wonders _ to sit at the front.4.I dont care of _ he is handsome.5.Please tell me _ I have to clean the room now.6.I dont know _ Lucy can dance or not.if/whetherif/whetherif/whetherwhetherwhetherwhether3.从句原形是从句原形是特殊疑问句特殊疑问句的的由由

8、 who,whom,whose,which,what和和 where,how,why,when引导。引导。e.g.1)Do you know whose book it is?（谁的，作定语）谁的，作定语）2)Could you tell me why the train is late?（为什么，作状语）（为什么，作状语）3)He wonders who can answer the question.（谁，作主语）（谁，作主语）u这些连词既有词义，又充当句子成份这些连词既有词义，又充当句子成份。连接代词连接代词连接副词连接副词练一练：请用who,which,when,how,why来填空。

9、1.-Can you tell me _you learn English.?-By reading aloud.2.-Do you know _ the movie begins?-It begins at 8:00.3.-I want to know _ you were late his morning.-Because I got up late.4.Please tell me _ you like better,the red one or the blue one.5.I wonder _ can go shopping with me.howwhywhenwhichwhoHel

10、en says that she will learn French next year.Do you know where he comes from?He wants to know if I can get to the bus station on time.三、三、宾语从句的语序宾语从句的语序 无论主句是陈述句还是疑问句，宾语从无论主句是陈述句还是疑问句，宾语从句都是运用句都是运用陈述句陈述句的语序，即的语序，即“”的顺序。的顺序。主主+谓谓V+其它其它改一改改一改 将下列一般疑问句变成陈述句。1.Can he swim?swim.2.Does he have a pen?a pen

11、.3.Is your mother cooking?mother .4.Which place did you go?you .He canHe has My is cooking说一说说一说将上面的句子置于一个主句后，变成一个宾语从句。将上面的句子置于一个主句后，变成一个宾语从句。Can you tell me/I want to know/I wonder/Please tell me?e.g.Can you tell me if/whether he can swim?Which place went四、四、宾语从句中时态的变化宾语从句中时态的变化I hear(that)Jim (be)

12、a worker two years ago.Jim (be)an English teacher now.Jim (cook)dinner tomorrow.Jim (sing)a popular song now.Jim (be)to the Great Wall twice.Jim (play)basketball when his father came back.Jim (learn)1000 Chinese words by the end of last term.填一填填一填wasiswill cookis singinghas beenwas playinghad learn

13、ed1.当主句是一般现在时，宾语从句的当主句是一般现在时，宾语从句的时态不作限制时态不作限制，我们可以根据句子的需要使用我们可以根据句子的需要使用任何一种时态任何一种时态。（需要性原则）（需要性原则）主现从随意主现从随意2.2.当主句是一般过去时的时候，宾语从句必须运用相当主句是一般过去时的时候，宾语从句必须运用相应的应的过去的某一种时态过去的某一种时态，从而达到主句和从句的相互从而达到主句和从句的相互一致一致。（呼应性原则）。（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 finish

14、ed his work.1)He to Hong Kong.2)He sick.3)He a book.4)HeHe said辨一辨辨一辨would go waswas reading his work.had finished 主过从过主过从过确定从句的时态确定从句的时态(根据主句时态根据主句时态)主句时态主句时态从从 句句 时时 态态连连 接接 前前连连 接接 后后一般现在时一般现在时时态保持不变时态保持不变一般过去时一般过去时一般现在时一般现在时一般过去时一般过去时一般过去时一般过去时过去完成时过去完成时一般将来时一般将来时过去将来时过去将来时现在进行时现在进行时过去进行时过去进行时现在

15、完成时现在完成时过去完成时过去完成时 3.3.当宾语从句说明的是当宾语从句说明的是客观存在的事实或者是客观存客观存在的事实或者是客观存在的真理时在的真理时，不受主句时态的限制，仍是用，不受主句时态的限制，仍是用一般现在时一般现在时态。（特殊性原则）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.比一比比一比从真理，一般现在永不变！从真理，一般现在永不变

16、！比一比 I dont know where I should go.（复合句）I dont know where to go.（简单句）Tell me how I can do it.（复合句）Tell me how to do it.（简单句）结论：结论：由连接代词和连接副词引导的宾语从句变简单句的方法：五、五、宾语从句与简单句的转换宾语从句与简单句的转换主语+情态动词 to 练一练练一练 1.I dont know what I shall do next.(变为简单句）I dont know next.2.John didnt decide which book he would bu

17、y.(变为简单句）John didnt decide .3.Can you tell me how to get to the bus stop?(变为复合句）Can you tell me the bus stop?4.Please tell Lucy how to use the MP5.(变为复合句）Can you tell Lucy the MP5.what to dowhich book to buyhow I can get to how she can use六六 、宾语从句否定的转移宾语从句否定的转移 当主句的谓语是think,believe,suppose，expect 等动

18、词时，其后作宾语的that从句如果表否定意义，通常将否定词not移至主句动词之前,即将主句谓语动词变为否定式。如：I think they have finished their work.（变为否定句）I dont think they have finished their work.我认为他们还未完成他们的工作。1.Well plant trees tomorrow,and I dont know_ Tom will come and join us.A.if B.which C.what D.where2.Do you think _Xiao Ming can pass the hig

19、h school entrance exam or not?Sorry,Ive no idea.A.that B.which C.if D.whether3.I think you will like him.A.would be B.if C.will be D.that4.Thomas wants to know _Nina lives.A.who B.where C.what D.if ADDB七、中考真题演练：七、中考真题演练：5.Could you tell me?A.where were the twins B.where the twins are C.where are the

20、 twins 6.-Do you know tomorrow?-At 8 oclock.A.when did she come B.when she came C.when will she come D.when she will come7.-Do you know?-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 hereBDD中考真题演练：中考真题演练：按要求完成句子：1.I know he _(be)a doctor two ye

21、ars ago.2.I heard that he _(come)tomorrow.3.The teacher told his students that light _(travel)faster than sound.4.Do you know where I can play tennis?(变为简单句变为简单句)Do you know _ _ _ tennis?5.I believe it will rain.（变否定句）（变否定句）I _ believe it will rain.where to playwaswould cometravelsdont宾语从句宾语从句引导词引导词

22、(that)(that)（陈述句（陈述句 ）ififwhetherwhether（一般疑问句（一般疑问句）连接代词、连接副词连接代词、连接副词（特殊疑问句（特殊疑问句)八、本课小结八、本课小结定义定义在复合句中，由一个句子来充当宾语，在复合句中，由一个句子来充当宾语，这个句子叫做宾语从句。这个句子叫做宾语从句。1.whether.or not2.whether to do3.介词介词+whether只用只用whether的情况的情况宾语从句宾语从句宾语从句与简单句的转换：宾语从句与简单句的转换：宾语从句否定的转移宾语从句否定的转移:语序语序陈述句语序陈述句语序:主主+谓谓V+其它其它本课小结本课小结时态时态主过从过主过从过主现从随意，主现从随意，从真理，一般现在永不变！从真理，一般现在永不变！I think.I dont think.主语+情态动词 to 一、运用宾语从句根据情境编写对话一、运用宾语从句根据情境编写对话：话题：1.问路 2.捡钱包 3.-Useful expression:Excuse me?Can you tell me/I want to know/I wonder/Please tell me?二、宾语从句专项练习试题二、宾语从句专项练习试题 Homework: