Unit 3 Discovering Useful Structures （ppt课件） -2022新人教版（2019）《高中英语》必修第一册.pptx

1、DiscoveringUnit 3Sports and FitnessUseful Structures史妙欣 潮南实验学校Learning Objectives1.To learn the usage of tag questions and their answers.2.To learn the functions of the tag questions.3.To learn to use tag questions to role-play a situation.1.一般疑问句2.特殊疑问句3.选择疑问句4.反义疑问句be动词/助动词/情态动词 等开头；用Yes/No回答特殊疑问词

2、开头；问什么答什么一般疑问句或特殊疑问句，加上orDo you like English?What sports do you like?Which sport do you like better,basketball or football?陈述句+附加疑问句Your favorite subject is English,isnt it?疑问句的类型 附加疑问句是附加在陈述句后的简短问句，对陈述句所叙述的事实或观点提出疑问。反意疑问句：助动词/be动词/情态动词陈述部分主语的相应代词。陈述句是肯定句，反意疑问句用否定形式；陈述句是否定句，反意疑问句用肯定形式。助动词和人称前后一致。You

3、 are from Australia，arent you?He doesnt live in Beijing，does he?反义疑问句的结构前否后肯前肯后否 找提问动词：助动词/be动词/情态动词He is an athlete.Is he an athlete?附加疑问句思路-1附加疑问句一般疑问句He is an athlete,isnt he?It taught him to practice harder.附加疑问句一般疑问句Did it teach him to practice harder?It taught him to practice harder,didnt it?助

4、动词didbe动词is 找提问动词：助动词/be动词/情态动词It has been helping young people since 1996.Has it been helping young people since 1996?附加疑问句思路-1附加疑问句一般疑问句It has been helping young people since 1996,hasnt it?Her young players could win.附加疑问句一般疑问句Could her young players win?Her young players could win,couldnt they?情态

5、动词could助动词has 找提问动词：助动词/be动词/情态动词 情态动词can/could,may/might,will/would,shall/should,must,ought to,dare/dared,need,used to附加疑问句思路-1陈述部分用“used to动词原形”时，问句部分用“didnt主语”或“usednt主语”形式。do/does/did,have/has/had 助动词 找提问动词：助动词/be动词/情态动词附加疑问句思路-1Look at the screen，will you？Lets go hiking，shall we？祈使句：祈使句的反意疑问句用w

6、ill you；以lets 开头的祈使句用shall we。感叹句：反意疑问句需用be的一般现在时态的否定形式。What fine weather(it is),isnt it？What excellent masters(they are),arent they?陈述部分主语的相应代词Lang Ping brought honor and glory to her country.Lang Ping附加疑问句思路-2主语sheLang Ping brought honor and glory to her country,didnt she?Losing two important play

7、ers was a big challenge.Losing two important players主语itLosing two important players was a big challenge,wasnt it?陈述部分主语的相应代词 陈述部分主语是this,that时，疑问部分主语用it；these,those时疑问部分主语用they。附加疑问句思路-2That is a cat,There was an old stadium in front of our school，wasnt there？isnt it?当陈述部分是there be句型时，其反意疑问句中要用 the

8、re。You are from Australia，arent you?He doesnt live in Beijing，does he?附加疑问句思路-3前否后肯前肯后否 前肯后否，前否后肯明确否定词算否定，否定前后缀不算否定：陈述部分有little,few,never,hardly,seldom,no,nothing,nobody,no one,none,neither等表示否定意义的词时，视为否定。陈述部分含有由un-，im-，in-，dis-，-less等否定意义的前后缀构成的词语时，视为肯定。附加疑问句思路-4 助动词和人称前后一致Time seemed to stand stil

9、l.time主语itTime seemed to stand still,didnt it?The secret to his success is learning from his failure.The secret to his success 主语itThe secret to his success is learning from his failure,isnt it?动名词、动词不定式、从句作主语，均用it作代词。附加疑问句复习 助动词/be动词/情态动词主语的相应代词 前肯后否，前否后肯 反义疑问句的前后都是肯定或否定吗？哪些词可以作提问动词？否定词和否定前缀哪个表示否定？

10、哪个表示肯定？哪些主语需要用it作代词？哪些需要用they作代词？附加疑问句思路-4 助动词和人称前后一致 陈述句主语是表示人的不定代词，如anyone,someone,no one,everybody,nobody,somebody等，反意疑问句的主语通常用they，也可以用he。陈述句主语是表示物的不定代词，如anything,nothing,something,everything等，反意疑问句的主语用it。反义疑问句特殊情况意思陈述句疑问句例子我是I am.arent I?I am the No.1,arent I?希望sb wish.may sb?I wish to own an i

11、phone 14,may I?过去常常sb used tousednt sb?didnt sb?You used to play badminton,usednt you?/didnt you?必须sb have to.dont sb?You have to finish homework,dont you?sb has to.doesnt sb?sb had to.didnt sb?肯定sb must 动词原形 以后面接的动词为准You must have met her,havent you?当主句是I think,I believe,I suppose,I expect,I imagin

12、e(that)等第一人称结构时，反意疑问部分的主语和谓语动词均应和宾语从句的主语和谓语保持一致。I dont think he cheated in the match，did he？其他人称做主句主语，则反义疑问句以主句为准附加疑问句特殊情况复合句陈述句是并列句时，反意疑问句与最接近的分句保持一致。They were absent yesterday,but Mary wasnt,was she?1.判定：肯否定?2.找动：确定谓语动词的类型3.换代：将主语转换为相应的代词反意疑问句解题步骤附加疑问句陈述部分一般用降调，而附加疑问部分既可用升调也可用降调，但含义不同。通常情况下，用升调时，多

13、表示疑问或请求；用降调时，多表示求证或希望对方同意。如：The school team have won the gold medal,havent they?The school team have won the gold medal,havent they?附加疑问句语调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 advise

14、r.By the way,our school soccer team won at last,didnt they?Han Jing:No,they didnt.Its too bad.2.Adam:That sounds interesting,doesnt it？Julie:Sure,it does.1.Amy:Its not a real sport,is it?Shen Qi:Yes,it is.不，它是的。用事实进行回答，是就用yes，不是就用no,“肯定到底，或否定到底”附加疑问句回答Complete the conversations with appropriate tag

15、questions or correct answers.Then act them out.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.No,it isntcant weNo,we cant疑问句的类型Practice1.判定：肯否定2.找动：确定谓语动词的类型3.换代：将主语转换为相应的代词反意疑问句解题步骤不会下雨我们不能打球2.A:Its Sports Day next Thursday,_?B:Yo

16、ure right,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.isnt itdoesnt sheNo,she doesnt疑问句的类型Practice下周四是运动会她不喜欢足球3.A:Its time for badminton class.Where is the coach?Hes late,_?B:Its been 10 minutes already.He

17、isnt coming,_?A:Cool!We can have a good time.Thats great!B:Shh!A:Oh no,hes right behind me,_?C:Yes,I am!isnt heis heisnt hePractice2.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 offthe TV,_?4 Shes doing all she can

18、 for us in times of stress,so we must back her up,_?shall wedo youmustnt weHomeworkwill you祈使句lets开头，用shall we提问复合句对最接近的句子进行提问祈使句用will you提问2.Add tag questions to the statements.5 Henry thinks you are cheating your friends,_?6 Andys never been anything but a friendly guy,_?7 Emily had to cut out sug

19、ar from her diet as her doctor suggested,_?8 Theres going to be a talk on wellness and fitness next week,_?Homeworkdoesnt hehas hedidnt heisnt there表示认为时，除主语为第一人称I/we外，其它对主句进行提问s只能是is或者has的缩写had to 用didnt 提问，have to 用 dont,has to 用 doesntthere be 句型用 bent there?提问2.Add tag questions to the statement

20、s.1 Lets go and work out in the gym,_?2 You dont take part in a marathon when youre ill,_?3 Turn offthe 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 never been anything but a friendly guy,_?7 Emily had to cut

21、out sugar from her diet as her doctor suggested,_?8 Theres going to be a talk on wellness and fitness next week,_?shall wedo youmustnt weHomeworkdoesnt hewill youhas hedidnt heisnt there3.Complete the conversation with appropriate tag questions.Tom:Mum,I can have one more burger,_?Mum:No,you cant.Yo

22、uve 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,_?Family time!Dad:Good idea!cant Iis itwill youHomeworkshall we你不能多吃一个汉堡暴风

23、雨要来了A:Hi Chris!My name is Steve.Im a trainer here at the gym.So youve just filled out our questionnaire,_?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），buttrue.

24、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 youhave youHomeworkdont you4 附加疑问句是附加在陈述句后的简短问句，对陈述句所叙述的事实或观点提出疑问。反意疑问句：助动词/be动词/情态动词陈述部分主语的相应代词。陈述句是肯定句，反意疑问句用否定形式；陈述句是否定句，反意疑问句用肯定形式。助动词和人称前后一致。You are from Australia，arent you?He doesnt live in Beijing，does he?反义疑问句总结前否后肯前肯后否必做1.练案p99的课前自主预习2.找出课本p42课文的定语从句，并翻译含有instead(of),rather than 的句子。Homework-G116选做课本p84的第6题