精选幻灯片-宾语从句PPT.ppt

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1、The Object Clause 宾语从句宾语从句 1一、教学任务一、教学任务 学习宾语从句学习宾语从句二、重点和难点二、重点和难点 1 1、由不同引导词引导的宾语从句、由不同引导词引导的宾语从句 2 2、宾语从句的语序、宾语从句的语序 3 3、宾语从句中时态的变化、宾语从句中时态的变化 4 4、宾语从句的重难点宾语从句的重难点2I like my teacher.主语谓语宾语（名词作宾语）I know him主语 谓语宾语（代词作宾语）I know Mr.Li teaches English（句子作宾语）宾语3 宾语从句即句子作宾语，宾语从句即句子作宾语，而不再而不再 是一个词或短语作宾语

2、。是一个词或短语作宾语。宾语从句的概念宾语从句的概念e g.We know（that）Kang kang is from Beijing.She asks(if)they are right.二、句子结构二、句子结构二、句子结构二、句子结构主句主句 +连词（引导词）连词（引导词）+宾语从句宾语从句He said that the earth goes round the sun.主句主句引导词引导词宾宾 语语 从从 句句4三、宾语从句的三要素三、宾语从句的三要素三、宾语从句的三要素三、宾语从句的三要素连 接 词语 序时 态5(一一)连词（引导词）连词（引导词）1.that2.whether/i

3、f3.连接代词 who whom whose what which 4.连接副词 when where why how6I think(that)we can have it on our school playground.Maria says(that)she doesnt like the uniforms.当陈述句充当宾语时，由当陈述句充当宾语时，由thatthat来引导，来引导，that that 在口语或非正式文体中常省略。如：在口语或非正式文体中常省略。如：I know he is from Canada.I know(that)he is from Canada.陈述句陈述句陈

4、述句陈述句7 当一般疑当一般疑问问句充当句充当宾语时宾语时，由，由if和和whether 引引导，意为导，意为“是否是否”，两者通常能互换，但也有，两者通常能互换，但也有区别。且不可省略。从句表一般疑问的意义。区别。且不可省略。从句表一般疑问的意义。Im not sure。Im not sure if/whether there are UFOs.I dont know if/whether you are right.Whether与与if的区别的区别:1.I dont care of _ she is beautiful.介词后只用whether2.He wondered_ to stay

5、 here the next week.与不定式to do连用只能用whether3.I dont know_ he will come or not.与or not连用只能用whether4._ this is true,I cant say.宾语从句提前只能用whether Whetherwhetherwhetherwhether一般疑问句句一般疑问句句一般疑问句句一般疑问句句Are there UFOs?Are there UFOs?8当特殊疑问句充当宾语时，由原句本身的特当特殊疑问句充当宾语时，由原句本身的特殊疑问词引导。殊疑问词引导。(1)Can you tell me?(2)Wha

6、t does Miss Wang say?Can you tell me what Miss Wang says?把特殊疑问句转为宾语从句的变化步骤：引引导词导词：特殊疑特殊疑问词问词(不能省略不能省略)；语语序：序：陈陈述句述句语语序，即序，即“主主语语+谓语谓语+其他其他”时态变时态变化化;eg:Can you tell me?Who are you waiting for?Can you tell me who you are waiting for?Do you know?Where is he from?Do you know where he is from?特殊疑问句特殊疑问句特

7、殊疑问句特殊疑问句9宾语从句的语序用宾语从句的语序用陈述语序陈述语序：引导词引导词+主语主语+谓语谓语+其他其他(二）语二）语 序序I want to know。Is there a bank near here?The boy asks。What should he do next?I want to know if/whether there is a bank near here.The boy asks what he should do next10 （三）时态（三）时态1.1.如如果果主主句句是是一一般般现现在在时时态态，宾宾语语从从句句可可以以用用任任何何适适当时态。当时态。I

8、dont think(that)you are right.Please tell us where well go fishing tomorrow.Do you know when Mr.Smith moved here?2.2.主句是过去时态，宾语从句一般是相应的过去时态。主句是过去时态，宾语从句一般是相应的过去时态。(一般过去时，过去进行时，过去将来时，过去完成时）一般过去时，过去进行时，过去将来时，过去完成时）He told me that he _ born in Beijing in 1992.(be)He said that he _go back to the U.S.soo

9、n.(will)His mother wanted to know what he _doing at this time yesterday.(be)waswouldwas11Yesterday our teacher told us(that)the earth(move)_around the sun(地球绕着太阳转地球绕着太阳转）moves3.3.当从句是客观真理，定义，公理，当从句是客观真理，定义，公理，定理时用一般现在时。定理时用一般现在时。The boys asked if light(travel)_faster than sound（光的传播光的传播 速度比声音快速度比声音快

10、）travels12(四）重、难点把宾语从句变为简单句把宾语从句变为简单句She doesnt know what she should do next.She doesnt know what to do next.(一）一）.连词连词+宾语从句宾语从句 连词连词+to do+to do 1.当宾语从句的主语和主句的主语相同当宾语从句的主语和主句的主语相同,且主句的谓语动词是且主句的谓语动词是remember,know,forget,learn等时，从句可简化为：等时，从句可简化为：疑问词疑问词+to dov.13v I dont know how to do with the gifts.

11、v=I dont know _with the gifts2.当主句的谓语动词是当主句的谓语动词是 ask,tell,show,teach等时等时,从句可简化为：从句可简化为：疑问词疑问词+to do e g:Will you please show me how I can work it out?Will you please show me how _ it out?Could you tell me how to get there?Could you tell me how _there?to work I can get how I should do 14把下面的宾语从句改为否定

12、句。把下面的宾语从句改为否定句。1.I think he will come with you.2.We believe she has finished the work well.(二）二）.一般而言，宾语从句的否定式与一般一般而言，宾语从句的否定式与一般句子的否定式是一样的。但若主句是句子的否定式是一样的。但若主句是I/We 谓语动词是谓语动词是think/suppose/guess/believe等时，从句中的否定习惯上要转移等时，从句中的否定习惯上要转移到主句中。到主句中。I dont think he will come with you We dont believe she h

13、as finished the work well.15（三）（三）Whether与与if的区别的区别 1._they will join in the picnic,I dont care.2.We are talk about _we can get the chance 3.Im just wondering _to stay for another hour.4.He doesnt know _they will plant trees on Saturday or not.AA.whether B.if AAA161.The headmaster hopes everything _

14、 well.(go)2.The radio says it _ cloudy tomorrow.(be)3.Tom says that they _(play)basketball at six oclock yesterday evening.4.will be goes were playing Miss Wang told me that the earth _(move)round the sun.5.Can you tell me what they _ yesterday?(do)did moves176.He asked what they _ at eight last nig

15、ht.(do)7.The teacher told his class that light _faster than sound.(travel)8.I think you _ about the relay race now(talk)9.I didnt know whom the letters_ from.(be)10.I didnt know what time he _the letter(write)were doingtravelsare talkingwere wrote18将下列句子合并为一句将下列句子合并为一句:1.Where do they stop on the wa

16、y?I asked.2.What will you speak at the meeting?Could you tell me?3.Do they like to make friends with us?He asked.I asked where they stopped on the way.Could you tell me what you will speak at the meeting?He asked if/whether they liked to make friends with them.19 4.“I am doing my homework.”He said.5

17、.“I will come back.”Tom said.6.“Is he doing his homework?”Jim asked.7.“When will he come back?”Tom asked.He said that he was doing his homework.Tom said that he would come back.Jim asked if/whether he was doing his homework.Tom asked when he would come back.208.“How can I get to the station?”Could you tell me?9.“Why is the train late?”Would you tell me?10.“Where is Tom?”They asked.Could you tell me how I can get to the station?Would you tell me why the train is late?They asked where Tom was.2122