Content：M1 Unit 3 Grammar and usage(3)

Aims of this class: At the end of class, the students can: use questions tags correctly

learn what a question tag is when to use it

Importance:how to write questions tags

Difficulty::how to write questions tags

Step one:check homework

Step two:Discussion

1.What are question tags?

2.Look at the following examples and tell in what different situations the question tags are used.

①Looking good is important to women, isn't it?

②I was lucky, wasn't I?

③We shouldn't be ashamed of the way we look, should we?

Step three:Discuss some laws of the use of question tags.

1.陈述部分肯定，疑问部分否定；陈述部分否定，疑问部分肯定

You are from China,_________.

You like pizza,________.

He has changed too much,__________.

2.当陈述句是祈使句时, 无论肯定或否定的，疑问部分都用will you

Close all the windows, will you?

Ps: 以let's开头的祈使句，,附加句用shall we?

3.陈述部分带有seldom, hardly, never, neither, none, nobody, nothing, few, little 等否定词时，疑问部分应用肯定。

Ps:如果陈述部分的否定词仅带否定前缀或后缀，那么，陈述部分做肯定句处理，疑问部分仍用否定形式。

填空：His sister seldom argues with people,_________?

He was unsuccessful, _________?

4.当陈述部分主语为this，that，everything，anything，something，nothing等时，反意疑问句的主语用it。

e. g. Everything is all right, ________? Nothing can stop us now, ________?

5.当陈述部分中主语为anybody, anyone, everybody, everyone, somebody, someone, nobody, none,no one, those, these反意疑问句中主语用they。

e.g. Everyone knows the answer,__________?

6..如果陈述部分是I am 的结构，疑问部分用aren't I.

　　e.g. I am late, aren't I?

7..如果陈述部分是一个带有that分句作宾语的主从结构时，疑问部分一般应与主句的主语和谓语动词保持对应关系。

　　e.g. She says that I did it,___________?

Ps:I suppose, I think, I believe,I 'm sure 等结构时，疑问部分则往往与that分句中的主语和谓语动词保持对应关系，但要注意否定的转移。

I don't think that she works hard, ________?

8.陈述部分有used to时，疑问部分可用used形式，也可用did形式。

　　e.g. He used to smoke five cigarettes a day, ________________?

9.当陈述部分是there be句型时，附加疑问句主语也用there.