资源简介

(共16张PPT)
Unit3 Discovering Useful Structures
Sports and fitness
Tag question
反义疑问句
Look at these sentences and find out their similarities.
They are all athletes, aren’t they
They are all Olympic champions, aren’t they
There is a question about these sentences, isn’t there
They work hard, don’t they
You can’t do it, can you
Tag question
反义疑问句
口诀：前肯后否，前否后肯。
基本构成：be/助动词/情态动词+代词
My parents never visit Beijing, ___________
He hardly believes you, _________________
This is an unimportant question, ___________
You dislike adventurous sports, ____________
does he
do they
isn't it
don’t you
前否后肯
前肯后否
There are some students playing, ______________
That is a good idea, ___________
isn't it
aren't there
陈述部分是 There be 结构时，疑问部分用 be there 结构
陈述部分是That/This be 结构时，疑问句部分用it代替 that 或 this
There isn’t a bird singing, ______________
is there
This isn’t a fresh apple, ______________
is it
Nothing is in the classroom, ______________
Nobody wants to make mistake,__________________
do they/ does he
is it
陈述句部分如果有 everything, nothing 等表示事物的不定代词主语时，疑问部分的主语用it
陈述部分若有everyone, someone, anyone, no one 等表示人的不定代词作主语时,其疑问句部分的主语用 he/they.
Everything is for your birthday, ______________
isn’t it
Anyone can attend the meeting, ________________
can’t they/he
陈述部分主语 反义问句主语 例句
there be be+there There is rain today, isn’t there
this, that it This isn’t a fast train, is it
everything, anything, something, nothing 表示物的不定代词 it Nothing happened to him, did it
everyone, everybody, someone, somebody, no one, nobody, anyone, anybody 表示人的不定代词 he / they
Nobody likes to be laughed at, doesn’t he？
（三）反义疑问句的回答
—He likes playing football, doesn't he
技巧：
①不要翻译
②只看动词
③根据真实情况回答
—Yes, he does. 是的，他喜欢。
—No, he doesn’t. 不，他不喜欢。
—His sister didn't attend the meeting, did she
—Yes, she did. 她参加了。
—No, she didn't. 她没有参加。
技巧：
①不要翻译
②只看动词
③根据真实情况回答
五、练习
（一）Try to answer the tag questions
1. They work hard, don’t they
— 他们工作努力。
— 他们工作不努力。
2. They don’t work hard, do they
— 他们工作努力。
— 他们工作不努力。
Yes, they do.
No, they don’t.
Yes, they do.
No, they don’t.
3. Tom made no answer, did he
---- .
(他没回答。)
4. The film wasn’t very good, was it
---- .
(不怎么好看。)
No, he didn’t.
No, it wasn’t.
（三）祈使句的反义疑问句
陈述部分 疑问部分
Let’s … shall we/shan’t we
Let's have a cup of tea, ___________________
shall we /shan't we
（二）Complete the conversations with appropriate tag questions or correct answers. Then act them out.
(P40 Act. 2)
1. A: It’s not going to rain, is it
B: __________. It’s a good day for sports.
A: Then we can play football, ________
B: ___________. We don’t have a ball.
No, it isn’t
can’t we
No, we can’t
2. A: It’s Sports Day next Thursday, _______
B: You’re right, it is. Let’s 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.
isn’t it
doesn’t she
No, she doesn’t
3. A: It’s time for badminton class. Where is the coach He’s late, _______
B: It’s been 10 minutes already. He isn’t coming, _____
A: Cool! We can have a good time. That’s great!
B: Shh!
A: Oh no, he’s right behind me, _______
C: Yes, I am!
isn’t he
is he
isn’t he

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