文档介绍：Unit 4
A good read
Grammar
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Preview
词组翻译。
hand in the work
2. and so on
3. return the book on time
4. read some reviews
5. recommend so many interesting books
6. in such a short time
第二页，共33页。
Learning aims
To learn how to use question words with to-infinitives.
To learn how to use “must and have to” to say that it is necessary to do something.
第三页，共33页。
Andy doesn't know ____________.
what to wear
Presentation
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Millie can’t decide _________________.
which book to buy
第五页，共33页。
They don’t know _________ to the station.
how to go
第六页，共33页。
Helping hands
Work in groups to find out the rules about question words+ to-infinitives on Page 54.
第七页，共33页。
We can use a question word with a to-infinitive after a verb.
2. We can use a verb + object before a question word with a to-infinitive.
3. We can use a noun after what, which, whose, how many and how much.
4. We can also use an adjective like sure or clear before a question word.
Work out the rules
Except why
第八页，共33页。
Exercise 1 Translate as quickly as possible
1. 丹尼尔没有说他要与谁交谈这本书。
2. 凯特无法决定先选择哪一个。
3. 学生们问老师什么时候上交作业。
4. 米莉演示给我们看下一步怎么做。
5. 你可以问你的父母要带多少钱。
6. 你清楚明天什么时候在门口集合吗？
抢答，1分1题
第九页，共33页。
1. “疑问词+动词不定式” 结构在句子中还可以做主语和表语。
. How to deal with the problem is
most important to us.
The problem is when to leave the place
疑问词+动词不定式
Do you want to know more about how to use wh-+to infinitives ?
第十页，共33页。