新教材2021-2022学年英语人教版必修第一册课件：UNIT 3 SPORTS AND FITNESS PERIOD 3 DISCOVERING USEFUL STRUCTURE .ppt

1、Discovering Useful Structures1.To learn about the tag questions.2.To use the tag questions properly.Learning aimstag questions(反意疑问句)Leading-in1.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?Sh

2、en Qi:Yes,it is.2.Adam:That sounds 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.I ve got to meet my adviser.By the way,our school soccer team won at last,didnt they?Han

3、 Jing:No,they didnt.Its too bad._The tag questions are used for confirmation.【即学即练】完成句子:1.The pencil is yours,_?这支铅笔是你的,不是吗?2.Jenny likes English,_?珍妮喜欢英语,不是吗?3.That was a wonderful film,_?那是个非常棒的电影,不是吗?isnt itdoesnt shewasnt it 附加疑问句，又称反意疑问句，它表示提问人对自己的看法没有把握，需要对方证实。1附加疑问句的组成 附加疑问句由两部分组成：陈述部分和附加疑问部分

4、(主语一般用人称代词主格)，两部分的人称和时态应保持一致。GrammarTag questions 如果陈述部分的否定词带有否定前缀un，in，im，dis或后缀less，该陈述部分当作肯定句处理，附加疑问部分一般仍用否定形式。Tom dislikes the book,doesnt he?汤姆不喜欢那本书，不是吗？(1)肯定式陈述部分否定式疑问部分She was ill yesterday,wasnt she?她昨天病了，不是吗？(2)否定式陈述部分肯定式疑问部分 He cant ride a bike,can he?他不会骑自行车，是吗？陈述部分有no，nothing，nobody，nev

5、er，few，seldom，hardly，rarely，little等否定或半否定含义的词时，疑问部分用肯定式。He can hardly write his name,can he?他几乎不会写他的名字，是吗？【即学即练】完成下列附加疑问句 Theres hardly any milk in the bottle,_?解析：陈述部分有否定词hardly，附加疑问部分应用肯定形式。He has never ridden a horse before,_?解析：陈述部分有否定词never，附加疑问部分应用肯定形式。He seldom came here,_?解析：陈述部分有否定词seldom，附

6、加疑问部分应用肯定形式。is therehas hedid he He disagrees with his parents,_?解析：陈述部分的否定词disagrees带有否定前缀dis，该陈述部分作肯定处理，附加疑问部分仍用否定形式。These tools are useless now,_?解析：陈述部分的否定词useless带有否定后缀less，该陈述部分作肯定处理，附加疑问部分仍用否定形式。Youve never visited the Great Wall,_?解析：陈述部分有否定词never，附加疑问部分应用肯定形式。doesnt hearent theyhave you2附加疑

7、问句的回答(1)当陈述句部分是肯定结构，附加疑问句部分用否定式提问时，如果事实是肯定的，就用yes，事实是否定的，就要用no。He likes playing football,doesnt he?他喜欢踢足球，不是吗？Yes，he does./No，he doesnt.是的，他喜欢。/不是，他不喜欢。(2)当陈述句部分是否定结构，附加疑问句部分用肯定式提问时，回答yes或no与汉语的意思正好相反。这种回答的yes要译成“不”，no要译成“是”。His sister didnt attend the meeting,did she?他妹妹没有参加会议，是吗？Yes，she did./No，sh

8、e didnt.不，她参加了。/是的，她没参加。【即学即练】根据句意补全句子 Youve never seen dinosaur eggs,have you?_.How I wish to visit the Dinosaur World.解析：根据How I wish to visit the Dinosaur World.“我多么希望参观恐龙世界”可知没有看过恐龙蛋，故应该用“No,I havent.”来回答，意为“是的，我没有看过”。No,I haventThey dont work hard,do they?_.They are the most hardworking student

9、s in our class.解析：根据They are the most hardworking students in our class.可知他们学习最努力，故应该用“Yes,they do.”来回答，意为“不，他们很努力”。Yes,they do 3主语的选择 陈述部分主语和附加部分主语在人称和数量上保持一致的几种情况：陈述部分主语附加问句主语例句one(泛指人)one/he/youOne cant be too careful,can one/he/you?一个人要再三小心，对吗？this，that，非谓语形式itThat isnt correct,is it?那不对，是吗？Seei

10、ng is believing,isnt it?眼见为实，不是吗？陈述部分主语附加问句主语例句these，thosetheyThese are your friends,arent they?这些是你的朋友，不是吗？everything，anything，something，nothingitNothing happened to him,did it?他没出什么事，是吗？Everything seems all right now,doesnt it?现在一切似乎都很好，不是吗？everyone(body)，anyone(body)，someone(body)，no one(nobody)h

11、e/theyNobody likes to be laughed at,does he/do they?没有人喜欢被嘲笑，是吗？陈述部分主语附加问句主语例句there bethereTheres no help for it,is there?没有办法了，是吗？主语由neither.nor.或both.and.连接复数Neither you nor I am wrong,are we?你我都没错，是吗？Both you and he are doctors,arent you?你和他都是医生，不是吗？【即学即练】完成下列附加疑问句There was a loud scream from the

12、 backstage immediately after the concert ended,_?解析：因为陈述部分是肯定形式，所以反意疑问部分用否定形式。陈述句为there be结构，附加疑问句中相当于主语部分也用there。No one failed in the last examination,_?解析：因为陈述句的主语是no one，附加疑问句中的主语用they或he。Something has been done to stop pollution,_?解析：陈述句的主语是something，附加疑问句中的主语应用it。Somebody phoned you while I was

13、 out,_?解析：陈述句的主语是somebody，附加疑问句中的主语应用they或he。wasnt theredid they/hedidnt they/hehasnt itThis is very important for students,_?解析：陈述句的主语是this，附加疑问句中的主语应用it。Those are your books,_?解析：陈述句的主语是those，附加疑问句中的主语应用they。Collecting stamps is his hobby,_?解析：陈述句的主语是动名词短语Collecting stamps，附加疑问句中的主语应用it。To become

14、a great writer is his dream,_?解析：陈述句的主语是动词不定式短语To become a great writer，附加疑问句中的主语应用it。Neither you nor he is good at maths,_?解析：陈述句的主语由neither.nor.连接，附加疑问句中的主语应用复数形式。isnt itarent theyisnt itisnt itare you 4特殊句式的附加疑问句(1)并列句的附加疑问句的谓语遵循就近原则。We must study hard or we cant pass the exam,can we?我们必须努力学习，否则我

15、们不能通过考试，对吗？(2)宾语从句 主句主语是第一人称，且含有think，believe，suppose，guess，expect，imagine等，疑问部分的主语和动词形式和从句一致。We believe she can do it better,cant she?我们相信她能做得更好，不是吗？I dont think he is bright,is he?我觉得他不聪明，是吗？(否定前移，疑问部分用肯定)主句主语是第二、三人称，疑问部分的主语和动词形式跟主句一致。He said that he would like to visit the Great Wall,didnt he?他说他

16、想参观长城，不是吗？(3)祈使句 肯定祈使句，附加疑问句通常用will/wont you；否定祈使句，用will you。Take a rest,will/wont you?休息一下，好吗？Dont open the door,will you?别开门，好吗？Lets引导的祈使句，附加疑问句用shall we。Lets go to the park,shall we?我们去公园，好吗？Let us引导的祈使句，附加疑问句用will you。Let us have a look,will you?让我们看看，好吗？Let me引导的祈使句，附加疑问句用will you或may I。Let me

17、have a rest,may I/will you?让我休息一下，好吗？(4)感叹句附加疑问句的谓语用be动词的一般现在时的否定式。What a lucky day,isnt it?多幸运的一天啊，不是吗？完成下列附加疑问句 She says that I did it，_?解析：含有宾语从句的主句的主语是第三人称，附加疑问句的主谓跟主句的主谓一致。故用doesnt she。I guess she taught herself Japanese，_?解析：含有宾语从句的主句的主语是第一人称，句中含有guess，附加疑问句的主谓跟宾语从句的主谓一致。故用didnt she。doesnt she

18、didnt she【即学即练】主语的选择反意疑问句构成(1)肯定式陈述部分否定式疑问部分(2)否定式陈述部分肯定式疑问部分(1)当陈述句部分是肯定结构，附加疑问句部分用否定式提问时，如果事实是肯定的，就用yes，事实是否定的，就要用no。(2)当陈述句部分是否定结构，附加疑问句部分用肯定式提问时，回答yes或no与汉语的意思正好相反。这种回答的yes要译成“不”，no要译成“是”。(1)并列句的附加疑问句的谓语遵循就近原则。(2)宾语从句主句主语是第一人称，且含有think，believe，suppose，guess，主句主语是第二、三人称，疑问部分的主语和动词形式跟主句一致。(3)祈使句 肯

19、定祈使句，附加疑问句通常用will/wont you；否定祈使句，用will you。Lets引导的祈使句，附加疑问句用shall we。Let us引导的祈使句，附加疑问句用will you。Let me引导的祈使句，附加疑问句用will you或may I。(4)感叹句附加疑问句的谓语用be动词的一般现在时的否定式。特殊句式的附加疑问句回答完成下列附加疑问句 1Youd rather watch TV this evening，_?2I suppose youre not going today，_?3I wish to shake hands with you，_?4Three hour

20、s ought to be enough time，_?5They have to study a lot，_?wouldnt youare youmay Ishouldnt/oughtnt itdont theyExercise完成句子 1Im as tall as your sister,arent I?_(是的，你和她一样高。)2Tom made no answer,did he?_(是的，他没回答。)3He ought to know what to do,oughtnt he?_(是的，他应该知道。)4Everything is ready,isnt it?_(不，还没准备好。)Ye

21、s，you are.No,he didnt.Yes,he ought to.No,it isnt.5The 29th Olympic Games were held in Beijing,werent they?_(是的，是在北京。)6Michael Jordan started to play basketball in college,didnt he?_(不，他不是。)He first played in a team in senior high school.7David has been to a boxing match,hasnt he?_(不，他没去过。)He always

22、watches boxing on TV.8You cant cook,can you?_(不，我会。)Im good at cooking.Yes,they were.No,he didnt.No,he hasnt.Yes,I can.结合附加疑问句的用法补全对话 Dave：There is something wrong,1._?Mike：2._.My car is having some problems.Dave：You want me to take a look,3._?Mike：4._，thank you.I think I can handle it.isnt thereYesdont youNoHe that can have patience,can have what he will.唯坚韧者始能遂其志。