Unit3 Discovering useful structures （ppt课件）-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit3 Sports and fitness Discovering useful structuresHe is playing basketball,_?isnt heHe plays basketball well,_?doesnt heThey can play badminton well,_?cant theyJust watch boxing show quietly,_?will youExplore the tag questions1.He is playing basketball,isnt he?2.He plays basketball well,doesnt h

2、e?3.They can play badminton well,cant they?4.Just watch boxing show,will you?tag tag questionquestion1.Amy:Its not a real sport,is it?Shen Qi:Yes,it is.Explore the tag questionsIt is a real sport.2.Adam:That sounds interesting,doesnt it?Julie:Sure.it does.It sounds interesting.3.Lin Tao:Hi!Its a bea

3、utiful 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 won at last,didnt they?Han Jing:No,they didnt.Its too bad.a beautiful city.won.We use question tags to ask for agreement or confir

4、mation.1.Amy:Its not a real sport,is it?Shen Qi:Yes,it is.2.Adam:That sounds interesting,doesnt it?Julie:Sure.it does.Structure 1.Its not a real sport,is it?2.That sounds interesting,doesnt it?Structure 1:前肯+后否Structure 2:前否+后肯Exceptions 1.They have never visited his home,_ _?2.There are few apples

5、in the basket,_ _?3.He can hardly swim,_ _?4.It has no legs,_ _?5.There is little water in the glass,_ _?6.They seldom(很少很少)come late,_ _?have theyare therecan hedoes itis theredo they当陈述部分有当陈述部分有never，seldom(很少很少),hardly(几乎不几乎不)，few，little，nothing(没有没有)等等否定意义否定意义的词时，后面的反意疑问句则为的词时，后面的反意疑问句则为肯定形式肯定形式

6、1.He is your uncle,_?2.You are not students,_?3.He was German,_?4.The Greens werent at home last night,_?Verb isnt heare youwasnt hewere theybe动词的反义疑问句：be+主语Verb 1.Your mother likes cooking,_?2.He has an apple,_?3.The plane took off an hour ago,_?4.They had a meeting,_?doesnt shedoesnt hedidnt itdid

7、nt they实意动词的反义疑问句：do/does/did+主语；dont/doesnt/didnt+主语Verb 1.Tom can swim very well,_?2.Your parents cant swim,_?3.All of your friends will come to your party,_?4.They wont come,_?cant hecan theywont theywill they情态动词&will的反义疑问句：情态动词&will+主语；1.Youd better read it by yourself,_?2.Youd better not stay

8、here,_?3.Wed better make a change,_?4.The tree had better be watered often,_?hadnt youhadnt wehadnt ithad youExceptions had better的反义疑问句：had/hadnt+主语；1.He used to take pictures there,_?2.The old man used to get up early,_?3.They used to have just one class in the morning,_?4.The boy used to walk to

9、school,_?usednt/didnt heusednt/didnt heusednt/didnt theyusednt/didnt heExceptions used to的反义疑问句：usednt/didint+主语；Tense 1.They had a meeting,_?2.Your sister likes cooking,_?3.They wont come,_?didnt theydoesnt shewill they反义疑问句的时态与前半句保持一致一致。Imperative 1.Dont be late,_ _?2.Have a rest,_ _?3.Speak loude

10、r,_ _?4.Dont wait for me,_ _?will youwill youwill youwill you祈使句的反义疑问句都为will youImperative 1.Lets send him to prison,_ _?2.Let us send him to prison,_ _?shall wewill youLets的反义疑问句都为shall weLet us 的反义疑问句为will you 陈述部分的谓语是陈述部分的谓语是used to 时，疑问部分用时，疑问部分用didnt+主语或主语或 usednt+主主语。语。He used to take pictures

11、 there,_?The old man used to get up early,_?They used to have just one class in the morning,_?The boy used to walk to school,_?usednt/didnt heusednt/didnt heusednt/didnt theyusednt/didnt heReply 回答需依据事实，且前后一致回答需依据事实，且前后一致事实肯定，用事实肯定，用“Yes+Yes+肯定回答肯定回答”事实否定，用事实否定，用“No+No+否定回答否定回答”1.Amy:Its not a real

12、sport,is it?Shen Qi:Yes,it is.2.Adam:That sounds interesting,doesnt it?Julie:Sure.it does.It is a real sport.It sounds interesting.1.Theres little meat left in the fridge,is there?_.Ill get some on my way home.2.Its her birthday tomorrow,isnt it?_.Lets have a surprise party for her.3.Your father nev

13、er watches the drama series on TV,does he?_.He thinks the drama series are boring and dull.No,there isnt Yes,it is No,he doesntExercise Summary Structure 1:前肯+后否Structure 2:前否+后肯动词、时态、主语保持一致Question tags(反义疑问句）祈使句的反义疑问句都为will you；lets 为shall we当陈述部分有当陈述部分有never，seldom(很少很少),hardly(几乎不几乎不)，few，little

14、，nothing(没有没有)等等否定意义否定意义的词时，后面的反意疑问句则为的词时，后面的反意疑问句则为肯定形式肯定形式Complete the conversations with appropriate tag questions or correct answers.1.A:Its not going to rain,is it?B:_.Its a good day for sports.A:Then we can play football,_?B:.We dont have a ball.2.A:Its Sports Day next Thursday,_?B:You re righ

15、t,it is.Lets ask Xia Lei if she wants to join a team.A:She likes soccer,_?B:_.But she loves volleyball.She could be in the volleyball team.3.A:Its time for badminton class.Where is the coach?Hes late,_?B:Its been 10 minutes already.He isnt coming,_?A:Cool!We can have a good time.Thats great!B:Shh!A:

16、oh,no,he is right behind me,_?C:Yes,I am.No,it isntcant weisnt itdoesnt sheNo,she doesntisnt heis heisnt he课本课本p40-2Discovering Useful Structures1.Linda ate nothing this morning,_?2.Theres hardly any milk in the bottle,_?3.He has never ridden a horse before,_?4.He seldom came here,_?5.Everything see

17、ms all right,_?6.No one failed in the exam,_?7.They have no time to visit the museum,_?8.He dislikes the two subjects,_?did sheis there has he did he doesnt it did he do they doesnt he Oh no,hes right behind me,isnt he?Hes right behind me,isnt he?a)When we are sure of the answer and we are simply en

18、couraging a response,the intonation in the question tag goes down:b)When we are not sure and want to check information,the intonation in the question tag goes up:Review-pronunciationWork in pairs.Use tag questions to role-play one of the situations below.EXAMPLEA:The Sports Day is coming soon,isnt it?B:Yes,it is.They need some volunteers,dont they?A:Yes,they do.Have a role play Greeting Key information(what;where;when etc.)