【公开课】Unit3Discovering+Useful+Structures课件人教版（2019）必修第一册.pptx

《【公开课】Unit3Discovering+Useful+Structures课件人教版（2019）必修第一册.pptx》由会员分享，可在线阅读，更多相关《【公开课】Unit3Discovering+Useful+Structures课件人教版（2019）必修第一册.pptx（27页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit ThreeTag questions1、一般疑问句 e.g.Do you like these animals?疑问句类型2、特殊疑问句 e.g.Who runs fastest in your class?3、选择疑问句 e.g.Do you like to play football or basketball?4、附加疑问句/反意疑问句 e.g.I dont think he will come,will he?例例 句句构 成You often play badminton,dont you?Its a beautiful day,isnt it?Its not a real

2、 sport,is it?They cant finish it by Friday,can they?Nobody saw him walk into the room,did they?Youve never been to Paris,have you?Come along with me,will you?/can you?/wont you?/cant you?Dont make any noise,will you?附加疑问句(Tag question)的形式肯定陈述句肯定陈述句+否定附加疑问否定附加疑问否定陈述句否定陈述句+肯定附加疑问肯定附加疑问含否定词的陈述句含否定词的陈述句

3、+肯定附加疑问肯定附加疑问祈使句祈使句+附加疑问附加疑问Doing exercise will do you good,_?肯定式陈述+否定式疑问You are going to the gym with me,_?arent youwont itThere is a swimming pool,_?isnt thereThey cant finish it by Friday,_?His school is not far from here,_?is itcan they否定式陈述+肯定式疑问To learn German well isnt easy,_?is itShe has nev

4、er been to Paris,_?Nobody saw him walk into the room,_?did theyhas she含否定词的陈述+肯定式疑问 陈述句带有否定含义的词(no,nothing,nobody,nowhere,never,few,little,seldom,hardly,rarely,scarcely,neither,under no circumstances)时当否定处理，尾句用肯定。A:Therell be an e-sports event tomorrow.B:Ive heard of it.Your favorite team is coming,

5、isnt it?A:Yes,it is.Lets buy some tickets,shall we?B:But I have some work to do.You should go.Send me some photos,will you?A:Sure I will.to confirm(证实）to requestto suggest附加疑问句的交际功能You cant swim,_?Your mother often gives you money,_?The boy was found by the police,_?I am a bit late,_?You should get

6、up early,_?They were playing football yesterday,_?She has a nice kitten,_?That wasnt a big surprise,_?There wont be any trouble,_?can youdoesnt shewasnt he附加疑问句的结构arent Ishouldnt youwerent theyhasnt shedoesnt shewas it陈述句中的主语是this,that时，尾句用it；陈述句的主语时these,those时，尾句用they。will there 陈述句中用存在句式时，尾句主语部分用

7、there代替。助动词be 动词情态动词表示主语的代词附加疑问句的回答A:The 29th Olympic Games were held in Beijing,werent they?B:_.Yes,they wereA:Jordan started to play basketball in college,didnt he?B:_.He first started at senior high school.A:David has been to a boxing match,hasnt he?B:_.He always watches boxing on TV.No,he didntN

8、o,he hasntA:You cant cook,can you?B:_.In fact,Im good at cooking._.Yes,I can 肯定回答用肯定回答用yes，否定回答用，否定回答用no。Yes后用肯定，后用肯定，No后用否定。后用否定。不不，他没去。，他没去。不不，我会。，我会。注意回答注意回答否定否定陈述句述句时的的英英汉差异差异No,I cant对，我不会。，我不会。注意：(尾句部分的主语是代指前面主句主语的人称代词)Everything is ready,_?Nothing can stop you,_?1、当陈述句主语是 somebody,someone,eve

9、ryone,everybody,no one,nobody,each,one,none等复合不定代词、those,these等指示代词或“the+adj.”时，尾句主语用they。Everyone enjoyed the party,_?No one was late,_?were they didnt they isnt it can it 2、当陈述句主语是something,anything,nothing,everything等不定代词或that,this等指示 代词时，尾句主语用it。不定式，动名词做主语时，尾句主语为不定式，动名词做主语时，尾句主语为it3、当陈述句Lets开头的祈

10、使句时，包包括括说话人人和和听听话人人双双方方在在内内，含含有有催催促促、建建议 或或请对方一起行方一起行动的意思的意思尾句主语用shall we。Lets go to the movie theater,_?Lets go out for a walk,_?shall weweshall weweLet us go for a walk,_?Let me have a try,_?Let him join us,_?will youwill youwill you4、Let us(me/him/her/them.)指指请求求对方允方允许自己自己(他人他人)做某事做某事，用will you。D

11、ontDont make any noise,_?DontDont forget to write me a letter,_?Open your book,_?Please come here this evening,_?Stop talking,_?will youwill youwontnt youwill youwill you5、肯定祈使句肯定祈使句，表示表示请求求尾句可用will/can/could you，表示表示生气生气生气生气时提醒提醒可用wont /cant you。6、否定祈使句，表示否定祈使句，表示请求求，用will you。You all had a good ti

12、me,_?You had milk and bread for breakfast,_?He doesnt have a walk after supper,_?1、表示“有”以外的意义时，尾句用do及其变体形式。主 句 谓 语 动 词didn t youdidnt youdoes he2、have表示“有”时：美国英语中，尾句用do及其变体形式；英国英语中，用have,has,had。The Andersons have a big bungalow,_?Kevin has a new bike,_?He hasnt any sisters,_?Kevin has a new bike,_?

13、has hedont theydoesnt he(Am.E)hasnt he(Br.E）We have to get there at eight tomorrow,_?They had to cross the busy street,_?dont wedidnt they3、陈述句有助动词 have/has/had to，尾句部分常用dont/doesnt/didnt。She used to take pictures there,_ she?Youd better read it by yourself,_ you?He ought to know what to do,_ he?陈述句

14、且含有ought to,used to,had betterought to,used to,had betteroughtnt he?/shouldntdidnt/usednthadnt1、陈述句有 ought to，尾句部分助动词用shouldnt/oughtnt。2、陈述句有 used to，尾句部分助动词用didnt或usednt。3、陈述句有 had better，尾句部分助动词用hadnt。You must go home now,_?He must work hard today,_?陈述句且含有情态动词mustmustmustnt youmustnt hemust you1、当

15、must表示必须，尾句部分用 mustnt 或neednt。2、当陈述句使用mustnt表示禁止，尾句部分用must或may。You mustnt park the car here,_?He must have finished have finished it yesterdayyesterday,_?The room must have been cleaned have been cleaned last nightlast night,_?He is so tall.He must bebe the tallest in the class,_?Its ten oclock.They

16、 must be waiting be waiting outside,_?She must comecome from the north,_?arent theydoesnt sheisnt he3、当must表示推测，疑问部分根据must后的动词推测：对现在的情况推测：You must have told have told her about it,_?She must have arrived have arrived by now,_?didnt hewasnt ithavent youhasnt she对过去的情况推测：A.有明确的过去时间作状语，用一般过去式didnt：B.没有

17、明确时间状语，强调动作完成，用现在完成时havent/hasnt：陈述句含有动词need,dare need,dare(作实义动词时，有时态、人称和数的变化有时态、人称和数的变化)You need to think about it,_ you?dont 1、陈述句中的 need,dare为实义动词时，尾句部分助动词用do,does,did。We need English to get higher education,_ we?dont She needs to go out,_ she?doesnt He need not go to work tomorrow,_ he?needYou

18、dare not give a talk in republic,_ you?dare 2、陈述句中的 need,dare为情态动词时，尾句部分助动词用need,dare。He thought she was wrong,_?She said they would visit Japan next month,_?You know that you can do it,_?I dont think hehe is right,_?We believe sheshe can do it better,_?It appears that sheshe is enjoying herself,_?陈

19、述句含有宾语从句或是并列复合句didnt hedidnt shecant shesheis hehe 当陈述句为I/we(dont)think(believe,suppose,expect,imagine)that.和 it appears that,it seems that,it looks as if 等时，尾句部分的主语通常与从句保持一致。如果主句主语不是第一人称，则尾句中的主语与主句保持一致。I have told Tom the time of their flight,so he should have arrived at the airport now,shouldnt he

20、?并列复合句疑问部分，尾句的助动词根据邻近从句的谓语确定。isnt sheshedont you反意疑问句的语调Hes right behind me,isnt he?1.When the speaker is sure of the answer and he or she is simply encouraging a response,the intonation in the question tag goes down:2.When the speaker is not sure and wants to check information,the intonation in the

21、 question tag goes up:Oh no,hes right behind me,isnt he?升调升调表示对所说内容表示对所说内容没把握没把握没把握没把握而发出而发出疑问疑问或或请求请求；降调降调表示对所说内容已表示对所说内容已有把握有把握有把握有把握，只是，只是求证求证(confirm)或或希望对方同希望对方同意意。Dave:Wonderful gym,isnt it?Jack:Er yes.Its great.Dave:This isnt your first time here,is it?Jack:Actually,it is.You come here often,

22、dont you?Dave:Yep.At least three times a week.Jack:Youve lost some weight,havent you?Dave:Yes.All that fat has become muscle now.if you want to lose weight,too,I recommend using the spin bike.Jack:OK,but it wont make me too tired,will it?Dave:Maybe at first,but youll get used to it.I used to come he

23、re every day when I first started.Jack:Oh,I dont have to come here every day,do I?Dave:No.Of course not.Its up to you,isnt it?suresuresuresure确确确确定定定定unsureunsureunsureunsure不不不不确确确确定定定定1.Mary seldom goes out alone in the evening,_?2.Nothing will make him give in,_?3.Nobody except me knows French in

24、 my class,_?4.None of them arrived on time,_?5.Dont be late again,_?6.Let them play tennis after work,_?7.I dont think she is fond of music,_?8.Hed like to go fishing this afternoon,_?9.What she said is wrong,_?does shewill itdo theydid theywill youwill youis shewouldnt heExercisesisnt it10.He used

25、to live in the country,_?11.Youd better go to bed early,_?12.Let us visit the new museum,_?13.You must have learned English over 10 years,_?14.She couldnt believe John lied to her,_?15.It rained so suddenly that they must have got wet just now,_?didnt hehadnt youwill youhavent youcould shedidnt they

26、高考真题回放1.I told them not everybody could run as fast as you did,_?A.could he B.didnt I C.didnt you D.could they2.There is little doubt in your mind that he is innocent,_?A.is there B.isnt there C.is he D.isnt he3.I spent two weeks in London last summer.Then you must have visited the British Museum du

27、ring your stay,_ you?A.mustnt B.havent C.didnt D.hadnt 陈述句中的“情态动词+have done”后面有表示过去时间表示过去时间的时间状语时，尾句用一般过去时；如果没有表示过去时间没有表示过去时间的时间状语，尾句用现在完成时中的助动词have/has提问。1.You must have learned English over 10 years,_ you?2.It rained so suddenly that they must have got wet just now,_ they?3.I spent two weeks in Lo

28、ndon last summer.Then you must have visited the British Museum during your stay,_ you?haventdidntdidntp.40p.401 Read the conversations below and underline the tag questions and their answers.What functions do the tag questions have?1 Amy:Its not a real sport,is it?Shen Qi:Yes,it is.2 Adam:That sound

29、s interesting,doesnt it?Julie:Sure,it does.3 Lin Tao:Hi!Its a beautiful day,isnt it?Han Jing:Yes,it is.Im going to play soccer.Can you come along and join us?Lin Tao:Sorry,I cant.Ive got to meet my adviser.By the way,our school soccer team won at last,didnt they?Han Jing:No,they didnt.Its too bad._

30、附附加加疑疑问问句句的的功功能能：用来质疑或者表示证实用来质疑或者表示证实。2 Complete the conversations with appropriate tag questions or correct answers.No,it isntcant weisnt itNo,we cantdoesnt sheNo,she doesntisnt heis heisnt hep.40p.401 Read the conversation aloud and pay attention to the tones of the tag questions.Explain the meani

31、ng that different tones express.A:Were all so busy,but we cant just sit around and study all the time,can we?B:No,we cant.Sometimes I just have to get up and do a few jumping jacks.A:Jumping jacks?Those are a kind of exercise,arent they?B:Yes,they are!You jump and bring your hands together above you

32、r head and move your feet apart.Then you jump again,bringing your hands to your side and your feet together.Im sure youve done them before,havent you?A:I know what you mean now.They are also called star jumps,arent they?Why dont we do a few now?B:Sure.p.84(A falling tone shows this is what the speak

33、er believes,and wants the other person to agree with him/her.)(A rising tone here shows the speaker wants to get information from the other person.)(A falling tone here shows that the speaker is certain of what the other persons answer would be.A rising tone could also be used to show that the speak

34、er would be surprised if the other person has not heard of jumping jacks.)(A falling tone shows the speaker knows the answer to the question and is just seeking confirmation from the other person.A rising tone could also be used,if the speaker wasnt as sure,or if they wanted to test whether the othe

35、r person knew this.)p.852 Add tag questions to the statements.1 Lets go and work out in the gym,_?2 You dont take part in a marathon when youre ill,_?3 Turn off the TV,_?4 Shes doing all she can for us in times of stress,so we must back her up,_?5 Henry thinks you are cheating your friends,_?6 Andys

36、 never been anything but a friendly guy,_?7 Emily had to cut out sugar from her diet as her doctor suggested,_?8 Theres going to be a talk on wellness and fitness next week,_?shall wedo youwill/wont/can/cant youmustnt wedoesnt hehas hedidnt sheisnt there3 Complete the conversation with appropriate t

37、ag questions.Tom:Mum,I can have one more burger,_?Mum:No,you cant.Youve already had two!Youre going to get sick.Oh,whats that noise?Dad:It isnt a storm coming,_?Tom:Yes,it is!But its on TV!Dad,come and see,_?Dad:What movie are you watching?Tom:The Day after Tomorrow.Mum:Lets watch it together,_?Fami

38、ly time!Dad:Good idea!cant Iis itwill/wont youshall wep.85p.854 Complete the questionnaire for Chris.Then fill in the blanks below and write an ending to the conversation,using tag questions where necessary.A:Hi Chris!My name is Steve.Im a trainer here at the gym.So youve just filled out our questio

39、nnaire,_?B:Yes.Its nice to meet you,Steve.A:Its good to meet you,too!Ok,let me take a look at your answers.Hmm So youve never worked out in a gym before,_?B:No,I havent,Steve.Embarrassing(让人尴尬的),but true.A:Oh,dont be embarrassed!Its never too late to start.But I have to ask You think working out for hours a week is enough,_?havent you have you dont youp.85