Grammar: Imperatives

1. Grammar: Imperatives

2. 祈使句 表示命令,请求,建议,劝告或号召的句子叫做祈使句。 e.g. (1)Switch off the motor. (2)Follow the rules of the road. (3)Don’t leave the light on. (4)Let me see. (5)Let her come here at eight o’clock. (6)Be quiet,please. (7)Let’s have a break.

3. 根据祈使句开头单词的特征，可将其分为三种结构。根据祈使句开头单词的特征，可将其分为三种结构。 1.Do型（以行为动词开头） Stand up! Come and meet my family! 2. Be 型（以be 开头） Be careful. / Be sure to get here before nine. 3.Let 型（以let开头） Let him in. Let me see.

4. 1.祈使句的否定式： Don’t/never +动词原形 Don’t be nervous ! Don’t make any noise in the reading room. Never do that again. 2. 加强祈使句的语气：在谓语前+do/you Do be patient! Do write back when you receive his letter. Tom, you clean the room. Don’t you be late again next time!

5. 3. 祈使句表祝愿的方式： Success to you !=May you succeed! Wish you a good journey. May you have a happy marriage. Allow me to propose a toast to our friendship!

6. 4. 不用动词开头的祈使句。 To the airport , taxi! Down with the pens! No smoking ! No parking ! No spitting ! No litter!

7. 5. 在由“祈使句+附加疑问”构成的附加疑问句中， 附加疑问部分一般用 will you, won’t you, e.g. Don’t open the door, will you? Give me some cigarettes, wii you/won’t you? Take a rest, why don’t you? 但是，以let’s开头的祈使句，附加疑问部分用 shall we;以let us开头的祈使句，不包括说话人在内，疑问部分用will you。 e.g. Let’s have a basketball match this afternoon, shall we? Let us go out for a rest, will you? A foreign language is a bridge to friendship and science

8. Don’t go faster than 40 kph. Don’t walk.

9. Don’t stop. / No parking. Don’t turn left /No left turn. Turn right.

10. Read these dos and don’ts for motorists stuck in a traffic jam. Tick the ones you agree with.

11. 用祈使句完成下列句子。 break go keep look ride stop stay watch out 1. __________on the pavement.(人行道) 2. ___________ in the bicycle lanes. 3. ___________ at red traffic lights. 4. ___________ the rules of the road. Don’t go Stay Stop Keep

12. break go keep look ride stop stay watch out 5. ___________ for pedestrians(步行者). 6. ___________ behind you before you turn right or left. 7 ___________ in the middle of the road. Watch out Look Don’t ride

13. 1. (04.天津) Stand over there ___ you’ll be able to see it better. A. or B. while C. but D. and 2. (04.浙江) I’ve never seen anyone run so fast ---- ______ David go. A. just watch B. just to watch C. just watching D. just having watched D A

14. 3. 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 D B

15. will you • 5. Boys and girls, follow me, ___________? • 6. Don’t mention it again,____________________? • 7. Let’s see what the teacher says about this, ___________? • 8. Let me have a try, _______? will you shall we will you

16. 高考试题回放： 1. Be sure to write to us, _____? A. will you B. aren’t you C. can you D. mustn’t you 2. Don’t smoke in the meeting-room, _____? A. do you B. will you C. can you D. could you

17. 3. Let's go and help him. ___? A. will you   B. shall we   C. don't you  D. don't we  4. --- 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

18. 5. Let us go home, ____? A. shall we  B. will me   • C. will you  D. don't you  6.  --- Lucy, you make the bed before breakfast, ______? --- Yes, mum. A. don’t you B. do you C. can’t you D. will you

19. ----I think you should phone Jenny and say sorry to her. -----_____. It’s her fault. A. No way B. Not possible C. No chance D. Not at all ----- Do you think Jack is to blame? -----Yeah, it was very rude ____facial paper to the guests at table. A. of him to throw B. for him to throw C. that he threw D. enough to throw ____his own work, he has an old mother to take care. A. Except B. Besides C. But D. Without He came to my class every week, but his attitude ___he was not really interested in this subject. A. expressed B. described C. suggested D. explained The man went to bed ____, and when he woke up he found his shoes still on. A. being drunk B. drunk C. having drunk D. drinking It suddenly ____ to the detective that the millionaire was probably murdered by his own daughter. A. happened B. occurred C. thought D. took place She told us ____ story that we all forgot about the time. A. such an interesting B. such interesting a C. so interesting D. so an interesting -----I’m afraid I’ve lost your e-mail address. -----Well, ____, I can easily write you another one. A. never mind B. that’s right C. you’re careless D. don’t say sorry A A B C B B A A

20. ----Have you read the book? ---- yes. But that one is ___ worth reading. I suggest you read it if you have time. A. best B. well C. better D. more By exercising regularly, she has reduced her weight __10 pounds __100 pounds. A. by by B. to to C. to by D. by to The bridge ____, the ____by both sides of the river were wild with joy. A. having completed; living B. completed; living C. completed; lived D. had completed; living I’d love to go on holiday but I can’t ____ the time. take B. cost C. afford D. pay The doctor suggested he ____ deep into the night. A. not to work B. not working C. wouldn’t work D. not work By the end of next month, we ____the building. A. will build B. will have built C. have built D. build When I walked in the street, I ___ to meet a friend of mine. A. happened B. broke C. occurred D. took place It’s too late to go to the football match now;____, it’s going to rain. A. for B. except C. besides D. more He was unable to go to work the next day ___ the fall from his horse. A. as a result B. result from C. as a result of D. in the result C D B D C B A C c

21. Have a nice time