课件30张PPT。高一外研版必修四 Module 2
Traffic Jam
Grammar表示命令, 请求, 建议, 劝告或号召的句子叫做祈使句。祈使句可分为第二人称祈使句和第一, 三人称祈使句。祈使句的主语为 you, 通常省略, 谓语动词使用原形, 句末用感叹号或句号。祈使句的主语为第一, 三人称句子结构为: Let+ 动词原形+其他
成分或Let’s+动词原形+其他成分。 Grammar-2. Definition 1. Listen to me carefully.
2. Come in and sit down, please.
3. Don’t close the window – it’s hot.
4. Be quiet!
5. Let’s try our best to improve our
environment.Grammar-3. Observation What’s the
features of Imperatives Grammar-4. Conclusion 1 祈使句的肯定形式主要有以下几种
Do 型 (以行为动词开头)
Stand up!
Be 型 (以be动词开头)
Be careful.
Let型 (以let开头)
Let’s go home. Grammar-5. Conclusion 2 祈使句的否定形式主要有以下几种
Do 型 (以行为动词开头)
Don’t stand up! / Never stand up!
Be 型 (以 be 动词开头)
Don’t be late./Never be late.
Let型 (以let开头)
Let’s not go home.Grammar-6. Conclusion 3 Do be patient!
Do sit down.
Do write back when you receive his letter.
Tom, you clean the room.
You clean the window.加强祈使句语气的方式:
在谓语前+ do /或加上主语(Tom, you)Open the window, please.
Will you go fishing with me this
afternoon?
Would you do me a favor?Grammar-7. Observation Do you know how
to make imperatives more polite?Could you show me how to get to the
railway station?
Hand the dictionary to me, will you?
Let’s go out for a walk, shall we?
Why don’t you get something to drink?
I suggest we (should) take the train.Grammar-8. SummaryWill you / Would you / Could you + 动词
原形?
句末,+ please?
句末, + will you / shall we?
Why not do something?
Why don’t you do something?
You’d better do something.
Suppose / Supposing …
I suggest …
1. ________ on the pavement.
2. _____ in the bicycle lanes.
3. ______ at red traffic lights.
4. ______ the rules of the road. Don’t go Stay Stop Keep break go keep look ride stop stay watch outGrammar 9 - Practice 1 Complete the following sentences 5. _________ for pedestrians.
6. ______ behind you before you turn
right or left.
7. __________ in the middle of the road. Look Watch out Don’t ride1. Stand over there ___ you’ll be able to
see it better.
A. or B. while C. but D. and
2. I’ve never seen anyone run so fast –
______ David go.
A. just watch B. just to watch
C. just watching D. just having watchedDAGrammar 10 – Practice 2 Choose the best answer3. Let us pass, _______?
A. shan’t we B. shall we
C. won’t we D. will you
4. Wait a minute, ______?
A. shall you B. will you
C. do you D. don’t you DB5. – Alice, you feed the bird today, ____?
– But I fed it yesterday.
A. do you B. will you
C. didn’t you D. don’t you 本题中Alice 并不是句子的主语, 而是祈使句, 为了引起对方的注意。B6. ___ down the radio—the baby’s asleep
in the next room.
A. Turning B. Turned
C. Turn D. To turn 祈使句以动词原形开头。C7. – How about a film tonight?
– ____ I haven’t been to the cinema for a
long time.
A. Yes, thanks B. Why not?
C. No, go away D. It’s a pity. --今晚去看电影怎样?
--为什么不呢? 我很久没去过电影院了。B8. You’d better not smoke here, _______?
A. will you B. shall you
C. have you D. had you 有had better 的句子构成反意疑问句, 用had 构成。D9. Don’t forget to phone me, ______?
A. do you B. needn’t you
C. won’t you D. will you 否定祈使句的反意疑问句用will 构成。D10. Let’s have a cup of tea, ________?
A. shall you B. will you
C. shall we D. won’t you 以let’s 开头的祈使句用 shall we, 以 let us 开头的祈使句用 will you, 构成反意疑问句。C11. --- English has a large vocabulary, hasn’t
it?
--- Yes. _______ more words and expressions
and you will find it easier to read and
communicate.
Know???? ?? B. Knowing???
C. To know?? ??D. Known
???A 12. --- Don’t forget to come to my birthday party tomorrow.--- ________ .
A. Yes, I won’t???? ?B. No, I won’t C. No, I will???????? ?D. Yes, I will B13. Be sure to write to us, ________?
A. will you?? ??B. aren’t you? ?C. can you? ?? D. mustn’t you
14. One more week, ______ we will
accomplish the task.?A. or???? B. so that? ?C. and??? D. if? AC 15. _____ blood if you can and many lives
will be saved.
A. Giving?? ??B. Give?? ?? C. Given? ???
D. To give 16. ______ this book and tell me what you think of it. A. Look through?? ? B. Look on? C. Look into? ?? D. Look up?BA?17. ________it with me and I’ll see what I
can do. ?A. When left ?? B. Leaving C. If you leave ?? D. Leave D18. Mary, ____ here--everybody else, stay where you are.
A. come?? B. comes??
C. to come?? D. coming???????????????????????????
19. We forgot to bring our tickets, but please let us enter, ______?
A. do you?? B. can you??
C. will you?? D. shall we???????????????????? AC20. ____ and I’ll get the work finished.
A. Have one more hour???
B. One more hour
C. Given one more hour??
D. If I have one more hour???????????????????
21. — What should I do with this passage? — _____ the main idea of each paragraph
Finding out?? B. Found out??
C. Find out?? D. To find out??????????CC22. If you want help--money or anything,
let me know, _____ you?
A. don’t?? B. will?? C. shall?? D. do??
23. Don’t be discouraged. ____ things
as they are and you will enjoy every day
of your life.
A. Taking?? B. To take??
C. Take?? D. Taken???????????????????????BC24. — Sorry, Joe. I didn’t meant to.
— Don’t call me “Joe”. I’m Mr. Parker to
you, and ______ you forgot it! (NMET
/2003/24)
do?? B. didn’t??
C. did?? D. don’t????????????????????????????
DHomeworkReview what you have learned.
Get ready for the next period of class.