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(1). 学会“特殊疑问词+ 动词不定式”的用法，并会正确使用；
(2). 学会must 和have to 的用法，并会正确使用；
二．教学过程：
Step1.Revision
Step2.Presentation 所有的疑问词都可以这样用，除了why
1）V+特殊疑问词+to do “特殊疑问词+to do”做该动词的宾语。
常用这种结构的动词有：know, learn, see, hear, ask, tell, decide, explain, find out, forget, remember, think，understand，wonder 等。
e.g. Millie has decided what to read.
Daniel didn’t say who to talk to about this book.
（ ）I really don’t know __________ with it.
A. what to do B. how to do C. to do what D. how can I do
注意:在翻译 “怎么办”时,应该是 “ what to do”而不是how to do ,只有在表达“怎样做这件事”时才说 how to do it。
（ ）I am going on a trip but I haven’t decided ____________.
A. what to do B.to do what C. where to go D. to go where
Simon忘记了何时去见他的朋友。Simon forgot_________________________________
2）V+ 特殊疑问词+名词+to do (what，which，whose，how many，how much等）
e.g. I don’t know which book to read.我不知道读哪本书。
请告诉我乘哪条船 Please tell me_______________________________________
我还没决定买多少芒果 I haven’t decided _________________________________
3) V+宾语+特殊疑问词+to do 动词有：advise， ask， show，teach，tell 等。
e.g. Mr Wu advised us which to choose as after-school activities.
Millie showed us what to do next.
（ ）This physics problem is difficult. Can you show me ___________, Wang Lin?
A. what to work it out B. what to work out it
C. how to work it out D. how to work out it
学生问他们的老师什么时候上交作业
The student______________________________________ their homework .
Daniel自学如何用电脑画画.Daniel______________________________ a computer to draw .
4）形容词+“特殊疑问词+to do”结构 形容词有sure和clear。
e.g. I am sure who to meet now.