高中英语人教版 (2019)必修 第一册Unit 3 Sports and fitness教学演示ppt课件

这是一份高中英语人教版 (2019)必修 第一册Unit 3 Sports and fitness教学演示ppt课件，共15页。PPT课件主要包含了will you，Practice，does she ，did she，isn’t it，is it，can you等内容，欢迎下载使用。
Teaching bjectives:
1. master the usage f tag questins.2. use tag questins freely in their daily cmmunicatin.
“It’s a nice day, isn’t it?” “Yu are eager t g back t schl, aren’t yu?” E-sprts are nt real sprts, aren’t they? That sunds like fun, desn’t it?
Observe and analyze
Lk at the fllwing sentences and tell What are the characteristics f the tw sentences.
Tag questins are used in the sentences.
Read the cnversatins belw and underline the tag questins and their answers.
frms f tag questins
Cnversatin 1A: Zhu Ting is a vlleyball star, isn’t she? B: Yes, she is. I really admire her.
Cversatin2:A: Su Yiming wn the gld medal in the men’s Big Air in Beijing 2022 Winter Olympics Games, didn’t he?B: Yes, he did. He is the yungest athlete t win the gld medal in theWinter Olympic Games f ur cuntry.
Cversatin3:A: Liu Xiang didn’t perfrm well in the 2008 Beijing Olympics, did he?B: N, he didn’t. It was a pity fr him. But he is still a gd athlete. 
Cversatin4:A: Yu seldm g t a gym, d yu?B: N, I dn’t.
isn’t he? Yes, he is.didn’t he? Yes, he did.did he? N, he didn’t.d yu? N, I dn’t.
Summarize hw tag questins are frmed.
functins f tag questins
Task 1 Read the cnversatins nce again and think abut what functin they have.Cnversatin 1A: Ya Ming is a basketball star, isn’t he? B: Yes, he is. I really admire him.Cversatin2:A: Liu Xiang wn the gld medal in the men’s 110-meter hurdles at the 2004 Olympics, didn’t he?B: Yes, he did. He is the first Asian t win the gld medal in the men’s hurdles.Cversatin3:A: Li Ning didn’t perfrm well in the 1988 Seul Olympics, did he?B: N, he didn’t. It was a pity fr him. But he is still a gd gymnast.Cversatin4:A: Yu seldm g t a gym, d yu?B: N, I dn’t.
The tag questins abve are used fr cnfirmatin.
Task 2 Lk at the fllwing sentences and find ut the functin f tag questins.(1)Jin us in running, will yu?(2)Cme and play Jianzi with us, will yu?(3)Dn’t sit at the table fr a lng time, will yu?
The tag questins abve are used fr giving suggestins.
特殊用法和结构(1)若陈述部分含有hardly，never，few，nthing，little，nbdy，seldm等否定词或半否定词，其疑问部分要用____________式；He has few friends here，has he? 他在这儿几乎没朋友，是吗？She said nthing，did she? 她什么也没说，是不是？(2)若陈述部分含有带否定前缀的词，疑问部分仍用____________式；It is unfair，isn’t it? 这不公平，不是吗？(3)当陈述部分为there be句型时，疑问部分仍用____________作“主语”；There was nthing in the rm，was there？房间里什么也没有，是吗？
(4)当陈述部分的主语是 smething，anything，nthing，everything等复合不定代词时，其反意疑问句的主语要用____________。Everything is ready，isn’t it? 一切都准备好了吗？(5)当陈述部分是I think/suppse/believe that...结构时，其反意疑问句须与从句的主、谓语保持一致；主句的主语若非第一人称，则反意疑问句与主句的主语相一致。I dn’t think he will cme，will he？我认为他不会来，是吗？He thinks that she will cme，desn’t he？他认为她会来，不是吗？(6)在通常情况下，当陈述部分含有情态动词时，疑问部分应用与前面同样的情态动词。He can speak English，can’t he？他会说英语，是吗？We shuldn’t g，shuld we? 我们不应该去，对不对？
(7)若陈述部分为祈使句，疑问部分通常用____________。Please help us，will yu? 请帮帮我们，好吗？Cme with us，will yu? 同我们一起去，好吗？Dn’t frget t pst the letter，will yu? 请别忘了寄信。(8)当祈使句为Let’s...时，疑问部分总是用 shall we。 当祈使句为Let us...时，表示请求，疑问部分用will yu。Let’s g there tgether，shall we? 我们一起去，好吗？Let us knw yur address，will yu? 请把你的地址告诉我们，好吗？
Cmplete the cnversatins with apprpriate tag questins r crrect answers.1.A: It's nt ging t rain, is it?B: _________________. It's a gd day fr sprts.A: Then we can play ftball, _________________?B: _________________. We dn't have a ball.2. A: It’s Sprts Day next Thursday, ________________?B: Yu're right, it is. Let's ask Xia Lei if she wants t jin a team.A: She likes sccer, _________________?B: _________________. But she lves vlleyball. She culd be in the vlleyball team.3. A: It’s time fr badmintn class. Where is the cach? He’s late, _________________?B: It’s been 10 minutes already. He isn't cming, _________________?A: Cl! We can have a gd time. That's great!B: Shh!A:〇h n, he’s right behind me,_________________?C: Yes, I am!
N, it isn’t
N, we can’t.
N, she desn’t
Use questin tag structure t fill in the blanks1.Miss Li hardly has lunch at schl，________________？2.Linda ate nthing this mrning，________________？3.It is impssible，____________________？4.Usually there are at least tw children in a western family，________________？5.Nthing is imprtant，________________？6.I dn’t think that yu can d it，________________？
aren’t there
Make small cnversatins
Lk at the pictures and use tag questins t make small cnversatins.
Example:A: The sprts Day is cming sn, isn’t it?B: Yes, it is. They need sme vlunteers, dn’t they?A: Yes, they d. We shuld vlunteer t d smething, shuldn’t we?B: Yes, we shuld. Let’s cme t Rm 501, Yiwen Building tmrrw and register, shall we?A: OK, it’s settled.