中学英语课件Grammar-宾语从句.ppt

1、Quick ResponseKnowledge about Health and food 1.Do you know which vitamin keeps us from catching colds?A Vitamin A.B Vitamin C.2.Can you tell me what a calorie is?A A unit for measuring energy in food.B A mineral found in food.3.Do you know how many calories a teenager needs every day?A Between 1,00

2、0 and 2,000.B Between 2,000 and 3,000.4.Do you know how long a person can live without food?A Several days.B Several weeks.5.Can you tell me how much of our body is water?A About 30%.B.About 70%.6.Do you know who has more fat in their bodies,men or women?A Men.B.Women.7.Can you tell me why eating to

3、o much salt is bad for us?A It can be harmful to our heart.B It can be harmful to our teeth.8.Do you know which meal is the most important?A Breakfast.B Lunch.C DinnerObserve these sentences1.Do you know which vitamin keeps us from catching colds?2.Can you tell me what a calorie is?3.Do you know how

4、 many calories a teenager needs every day?4.Do you know how long a person can live without food?5.Can you tell me how much of our body is water?6.Do you know who has more fat in their bodies,men or women?7.Can you tell me why eating too much salt is bad for us?8.Do you know which meal is the most im

5、portant?A1 Object clauses with a question wordA1:Object clauses with a question word Summary 1:Make a list of the question words.what,when,where,which,who,why,how,how long,how many1.Some people think(that)sugar is bad for your health.2.Others say(that)sugar it the best source of energy.A2 Object cla

6、uses with“that”Tips:that 引导的宾语从句，引导的宾语从句，that 在句中无词汇意义，在句中无词汇意义，在句中不充当成分，在口语中往往在句中不充当成分，在口语中往往 _.省略省略A3 Object clauses with“whether”&“if”1.I dont know if/whether he can come tomorrow.2.My mother asked me if/whether I had done my homework yet.3.Mike isnt sure whether he will pass the exam or not.Tips

7、:if/whether 引导的宾语从句，表示引导的宾语从句，表示“是否是否.”,当宾语从句中有当宾语从句中有_的时候的时候,只能用只能用whether，而不能用，而不能用_or notifA Object clauses Summary1:sentence order(语序语序)1.You dont realize what you are eating,Debbie.2.Some people think that sugar is bad for your health.3.I dont know if/whether he can come tomorrow.Tips:1.宾语从句要用宾

8、语从句要用_ 语序，即先语序，即先_ 后后_陈述句陈述句主语主语谓语谓语若从句部分使用固定句型，则原来语序不变若从句部分使用固定句型，则原来语序不变eg.1）Whats the matter?Would you tell me whats the matter?2）Whats wrong with you?She didnt tell me what was wrong with you?A Object clauses Summary1:sentence order(语序语序)1.Can you tell me where we ll meet?2.You dont know what yo

9、u are doing.3.We will find out who was the killer of the murder.4.I forgot when I had bought her the present.5.She didnt think that you were wrong.6.We know that the plant dies without air.Tips:1.主句为一般现在时或一般将来时，从句可以用语境所主句为一般现在时或一般将来时，从句可以用语境所需要的需要的_.2.主句为一般过去时，从句用主句为一般过去时，从句用_ 的时态。的时态。3.从句内容为客观真理，从句

10、仍然用从句内容为客观真理，从句仍然用_A Object clauses任何时态任何时态相应的过去相应的过去一般现在时一般现在时 Summary2:tense(时态时态)She doesnt know what she should do?=She doesnt know what to do?She doesnt know how/when/where she should do it?=She doesnt know how/when/where to do it?Tips:1.当宾语从句的主语与主句的一致时，宾语从句可当宾语从句的主语与主句的一致时，宾语从句可以转换成以转换成“疑问词疑问词

11、+_”A Object clausesto do1.He asked me whether could I help him.2.I dont know where he goes yesterday.3.He asked me where I have been.4.The teacher told us the earth went around the sun.5.He asked the student that she was late for school.6.Lily asked Jack that what he had done last night.7.The teache

12、r asked me if I had finished my homework or not.1.He asked me whether could I help him.注意语序。宾语从句的语序必须是陈述句注意语序。宾语从句的语序必须是陈述句的语序，即先主语后谓语。的语序，即先主语后谓语。I could2.I dont know where he goes yesterday.3.He asked me where I have been.4.The teacher told us the earth went around the sun.wenthadgoes注意时态的三个规律注意时态

13、的三个规律:a.主句为现在的时态，从句的时态根据实际情况而定。主句为现在的时态，从句的时态根据实际情况而定。(2)b.主句为过去的时态，从句的时态用过去相关的时态。主句为过去的时态，从句的时态用过去相关的时态。(3)c.从句内容为真理时，从句的时态一律用一般现在时。从句内容为真理时，从句的时态一律用一般现在时。(4)5.He asked the student that she was late for school.why/if/whether注意选择正确的引导词。注意选择正确的引导词。6.Lily asked Jack that what he had done last night.注意

14、引导词。宾语从句不能同时用两个引导词。注意引导词。宾语从句不能同时用两个引导词。7.The teacher asked me if I had finished my homework or not.whether 注意只能用注意只能用whether情况情况:(1)whetheror not/whether or not(2)whether+to do(3)介词介词+whether 1.Do you know _ is right.A.that B.who C.why2.We never want to tell _A.Which one is rightB.Which one right i

15、sC.Which is one right3.She doesnt know _ A.whats your name B.What your name is C.What name is you4.I dont understand _ A.What you mean B.What do you mean C.How do you mean1.我不懂你什么意思。I dont understand _ _ _.2.他不知道怎么样处理这件事。He doesnt know _ _ _ do with it.3.能告诉我班上谁最高吗？Can you tell me _ _ _ _ in class.w

16、hat you meanhow he canwho is the tallest4.你知道我们每天需要多少热量吗？Do you know _ _ calories we need every day?5.我意识到哪个更重要了。I realized _ _ _ more important.how manywhich one was中考链接中考链接语言知识运用语言知识运用1.-Can you make sure _?-Sorry,I cant.But I did see her just now.A.where did she go B.where she had gone C.where sh

17、e has gone D.where will she go 2.-What did your parrot say,Bill?-It asked us _.A.what was the weather like B.what the weather was like C.what does the weather like D.what did the weather like 3.I wanted to know _.A.what did he say B.why does she go to bed late C.why she went to bed late D.why she go

18、es to bed late时态与语序时态与语序CBC4.He is not sure _ to watch TV or go to bed.A.if B.whether C.that D./5.Mike is thinking about _ his parents will see him today?A.if B.whether C.that D./6.I dont know _ he will come or not.A.if B.whether C.that D./7.-I dont know if he _ to Kates birthday party.-Hes sure to

19、go if he _.A.goes,knows B.will go,knows C.goes,will know D.go,know8.-Do you know _ the teacher will come back tomorrow or not?-Sorry,I dont know._ he comes back,I will tell you at once.A.if,Whether B.if,If C.whether,Whether D.whether,If ifif的两种意思的两种意思BBBBD只能用只能用 whether的情况的情况9.Could you tell me _ it.A.what can I do B.how can I do C.what to do D.how to dohow to do it 与与 what to do 的区别的区别D10.-Could you please tell me _?-Its next to the post office.A.where the supermarket is B.where is the supermarket C.where was the supermarket D.where the supermarket wasAcould表示委婉的语气表示委婉的语气,不是过去时不是过去时