《宾语从句讲解》PPT课件.ppt

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1、Mainly Revision,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,教学难点 1.if与whether的区别 2.宾语从句与简单句的互换,问题一:什么是宾语?,宾语表示及物动词的动作对象和介词所联系的对象,常由名词或相当与名词的词担任,置于及物动词或介词（动词词组）后。,I like my teacher.（名词作宾语）I know him.（代词作宾语）How is he getting along with his English?I enjoy playing

2、 basketball.(动名词作宾语）I am interested in playing piano.I decide to study hard.（不定式作宾语）.,We know him,We know he likes English.,主s,主s,谓v,谓v,宾o,宾o,宾语从句就是由一个句子来构成主句的宾语,简单句,复合句,试比较,问题二:什么是宾语从句?,Do you know who is the first Chinese astronaut(宇航员)?Our teacher told us that the earth goes around the sun.Please

3、 tell me where she has gone.I dont know if he will come tonight.Lets find out whats on tonight.,Find out the Object Clauses,We are proud of that Beijing is one of the biggest cities in the world.,二、宾语从句三要素,连 接 词,时态呼应,陈述语序,thatif/whether特殊疑问词,连接词+主语+谓语+其他,（that）+陈述句He thinks,“Lucy likes school.”He th

4、inks(that）Lucy likes school.2.if/whether+一般疑问句改写的陈述句He asked,“Was Lucy late again?”He asked if Lucy was late again.3.特殊疑问词+特殊疑问句改写的陈述句子He asks me,“When will Lucy come?”He asks me when Lucy will come.,that,当陈述句充当宾语时，由 _ 连接,练一练,1.This is a book.-I know2.You like singing.-She says3.He worked last night

5、.-I know4.They will go home.-Tell Lucy,主句,(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,练一练,1.Is he reading?1）Was she late yesterday?2.Does Tom work hard

6、?2)Did you watch TV?3.Will they read books?3)Can you sing?,用以下开头与下列句子连成宾语从句:1.Do you know 2.I want to know,if/whether,注意：只能用whether不用if 的三种情况一般情况下，if 和whether可以互换，但以下 情况只能用whether：1.与or not连用：He asked me whether or not I was coming.2.在介词之后：It depends on whether it is going to rain.3.在不定式之前：We havent

7、 decided whether to go there.4.作主语只能用whether Whether he will come is not decided.,3.当特殊疑问句充当宾语时，由 _ 连接,Eg:,1.What is she doing?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,练一练,When does he get up?How did he go to work?Who w

8、ill Tom play with?,用以下开头与下列句子连成宾语从句:1.Do you know 2.I want to know 3.Can you tell me,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。,四.宾语从句的时态变化,填一填,wa

9、s,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，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.

10、4)He his work.,辨一辨,would go,was,was reading,had finished,确定从句的时态(根据主句时态),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,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

11、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.,比一比,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+t

12、o do 的简单句。,五.宾语从句与简单句的转换,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 buy.(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 tellLuc

13、y_ the MP5.,What to do,which book to buy,how I can get to,how she can use,1.Could you tell me we get to the place?Ahow Bwhether Cwhere Dwhat 2.The teacher saysshe will leave a message on the headmasters desk.Aif Bwho Cthat Dwhat 3.I am not sure _ he will come tomorrow.A.that B.if C.what D.who 4.-Do

14、you remember _ he came?-Yes,I do.He came by car.A.how B.when C.that D.if,A,C,解题指导一：判断语义，选择连接词,Exercises:,B,A,5.Do you know how much hot water?AMum is neededBdoes Mum needCMum needs Ddid Mum need6.Can you tell me?Awhere he is Bwhere is he Che is where Dwhat is he7.I want to know how long.Ahas he been

15、 backBhas he come backChe has been backDhe has come back,C,A,C,解题指导二：陈述语序：连接词+主语+谓语，,8.I thought he _to see his mother if he _time.Awill gohasBwill go will haveCwould go would haveDwould go had9.Do you know?A.what the news areB.what is the newsC.what the news is D.what are the news,解题指导三:时态呼应若主句时态是现

16、在时态，宾语从句的时态可根据实际情况而定；若主句是过去时态，宾语从句的时态要用过去的某个时态，客观真理除外。,10.I didnt know how to London?Awould they goBare they goingCthey would goDthey are going,C,.Find out the mistakes and correct them.1 Could you tell me where do they live?2 She knew that Danny is a student.3 He told me that winter was colder than autumn.4 Do you know who car it is?,was,is,whose,六.课堂检测,宾语从句三要素,that（陈述句）,ifwhether（一般疑问句）,特殊疑问词（特殊疑问句),主句为一般现在时从句可为任何时态,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,七.本课小结,Thanks,