教师助手

Unit4  A good read

Period 4  Grammar

【学习目标】

1. To learn to use question words + to-infinitives

2. To learn to use must and have to

【课前预习】

一、用括号中所给动词的适当形式填空。

1. Mr. Li showed us what _________________(do) first.

2. Sandy didn’t know who __________________(talk) to about the film.

3. We mustn’t _______________(smoke) in the library.

4. The Whites are discussing which color ____________________(paint) the walls.

5. I had to use the knife ____________________(cut) the apple.[

二、用“特殊疑问词 + to do”的结构改写下列句子

1.“What should I write for the report?” Daniel asked the teacher.

Daniel asked the teacher ________________________________________________________

2. “How do I get to the bus stop?” The policeman explained this to me.

The policeman explained to me __________________________________________________

3. “Where can we see the new film?” Paul asked us.

Paul asked us _________________________________

4. “When should we have the football match?” We need to decide.

We need to decide _____________________________________________________________

5. “Who should we ask to get tickets for the show?” Sally found this out.

Sally found this out___________________________________________________________

6. “Which shirt should I wear to the party?” I don’t know.

I don’t know _________________________________________________________________

【课堂点拨】

1. Have you decided what to do with these books, Hobo？                                                            

霍波，你已经决定了怎样处理这些书吗？

句中“疑问词what + 动词不定式”结构作宾 语，该结构中的疑问词还可when、how、which等。                                      

     e.g. I did not know how to get away.

        我不知道如何逃走。

【当堂反馈】

一、完成下列句子。

1. I don’t know _____________________ (在会上说什么).

2. Can you tell me ___________________(在哪里能买到这本书)?

3. ________________________________ (在何时何地召开这会议) hasn’t been

 decided yet.

二、用how, which, what, when, where填空。

1. When I go into the clothes shop, I always can’t decide ______________ one to buy.

2. My grandfather doesn’t know __________________ to use a computer.

3. --- Will you please show me _________________ to drive a car?

 --- Yes, of course. Now let me tell you ______________ to do first.

4. I will tell Lucy ______________ and _____________ to meet.

【课后巩固】

单项选择。

(     )1. I’m going on a field trip but I haven’t decided ______. [来源:Z+xx+k.Com]

　       A. what to do     B. to do what     C. where to go          D. to go where

(     )2. Excuse me. Would you please tell me ______ buy a digital camera?

　       A. what to       B. where to      C. what I can  D. where can I

(     )3. — This physics problem is too difficult. Can you show me ______, Wang Lin? [来源:Z_xx_k.Com]

　        — Sure.  

　    A. what to work it out　B. what to work out it C. how to work it out D. how to work out it

(     )4. — We need a new leader for our Helping Hands Club, but I don’t know ______.

— Why not Mary? She is always willing to help others.  

       A. what to choose    B. how to choose     C. when to choose   D. who to choose

(     )5. The math problem is so hard. I really don’t know ______.

      A. how to do it         B. how to do       C. what to do it

(     )6. — Excuse me. Could you tell me ______ get to the nearest post office?

— Sorry, I am new here.

      A. how can I       B. how I could       C. how to      D. what I can

(     )7. — Excuse me. Could you please tell me ______ my car?

— Sure. Park it right here. I’ll help you.

       A. how to stop      B. where to park     C. where to stop   D. when to park

(     )8. — ______ I swim here?   — I’m sorry. Children ______ swim alone here. [来源:学#科#网Z#X#X#K]

       A. Must; can’t      B. May; must     C. Can; mustn’t      D. Can’t; can

(     )9. — Dad, must we wait until the light becomes green?

— Yes, I'm afraid we ______. That's the traffic rule.

       A. can       B. may      C. have to    D. need

(     )10. Students in our school ______ know shouting is not allowed in the library.    

       A. can        B. may          C. must              D. need