祈使句及反义疑问句
Ⅲ祈使句：祈使句表示请求、命令、建议等等。谓语动词一律用原形。句子中
通常不用主语，句末用惊叹号或者句号，用降调。
1.肯定的祈使句：
(1)句型：动词原形～.（省略主语you）
（You）Stand up. 起立。
(You) Be quiet，please. 请安静。
(2)用客气的语气表示祈使句时，可在句首或句尾加上please，但如果在句尾加please，那在please之前一定要加一个逗号“，”。
Go this way，please. 请这边走。 Please go this way.
(3)祈使句中如果有唤语，一定要用逗号“，”隔开，放在句首或句尾。
Li Ming，come here. 李明，过来。
（4）Let+第一人称（me，us）～.
Let's go. 咱们走吧。 Let me try again. 让我再试试。
Let us go. 我们走。
注意:Let's包括对方，Let us不包括对方。
(5) Let+第三人称代词（宾格：him，her，it，them）或名词～.
Let Tom go there himself. 让汤姆自己去那儿。
2、否定的祈使句：
（1）Don't +动词原形～
Don't swim in the river. 别在河里游泳。
Don't be late. 别迟到。
Please don't be noisy. 要大声喧哗。
（2）Let's（us，me）+not +动词原形～. Let's not say anything about it.
对于这件事，咱们什么也不要说。（3）Don't let +第三人称代词的宾格或名词+动词原形. Don't let them play with fire.
别让他们玩火。
3、禁止时，尤其是标语等也可用“No+动名词”来表示。
No smoking. 禁止吸烟。 No parking. 禁止停车。
4、祈使句变反意疑问句的方法：
（1）Let's表示说话人向对方提出建议,简短问句的主语用 we表示,问句用
shall we。
如: Let's have a cup of tea ,shall we ？
（2）Let me或 Let us表示听话人提出请求,问句用 will you或 won't you . 如：Let me have a rest , will you (won't you ) ？
（3）其它的祈使句后可以加一个简短问句,使语气变得客气一些.
如: Have a rest , will you？
Stand up,will (won't) you？
附：反意疑问句---原则：前肯后否，前否后肯,回答根据实际情况。
do—don’t; i s—isn’t; a re—aren’t;does—doesn’t;did—didn’t; have—haven’t ;
has—hasn’t; must—needn’t;
练习：
一、用括号内所给动词的适当形式填空。
1. It’s an important meeting. __________ (not, be )late.
2. ____________ (not,make) any nise! Your mother is sleeping.
3. ____________ (not, speak) with your mouth full of food and ____________ (be) polite.
4. ____________ ( not, talk) and ____________ (read) aloud.
5. ____________ (not,leave) your homework for tomorrow, Larry.
6. ____________ (look) out! A car is coming.
7. ____________ (give) us ten years and just see what our country will be like.
8. ____________ (not, let) the baby cry.
9. Wear more clothes or you ____________ (catch) a cold.
10. Let’s ____________ (not, say) anything about it.
二、选择填空
1 .Her doctor said: “________ work so hard”
A Stop
B Don’t
C Can’t
D No
2. Sindy, ________ to be here at 8 o’clock
A is sure
B is sure that
C will be sure
D be sure
3.________ when you cross the road.
A Do care
B Care
C Do be careful
D To be careful
4. ________him the secret, will you?
A Don’t tell
B Not to tell
C Not telling
D No telling
5. ________ in bed. It’s bad for your eyes.
A Not to read
B Don’t read
C Don’t to read
D Not read
6. ________ Your child. We’ll lo ok after him.
A Not to worry about
B Don’t worry about
C Not worry for
D Don’t worry with7.They are very tired. Why ________ have a rest?
A not they
B do not they
C don’t they
D not to
8．--You look rather tired. ________ stopping to have a rest?
-- All right.
A Why not
B How about
C Why not to
D why don’t
9._____ tell a lie.
A Hardly
B Not
C No
D Never
10.Please ________ look outside. Look at the blackboard.
A not
B don’t
C aren’t
D can’t
11. Why don’t you join us in the game?
A What not
B Why not
C Why to
D How to
12.______ go for the book alone, Ms Zhang.
A Let’s
B Let me
C Let us
D Allow
13.John, read the text for us,________?
A does he
B will he
C do you
D will you
14. Let’s do it at once, ________ ?
A shall we
B will you
C do we
D do you
15. Let us do it at once, ________ ?
A shall we
B will you
C do we
D do you
三、填词完成反意疑问句
1. He wouldn't wait in line the next day ,______ ？
2. She has been learning English , _________ ？
3. We can't take the books out ,________ ？
4. He has to go home on foot , ________ ？
5. You haven't had your lunch ________ ？
6.We have nothing to eat , ________ ？
7.They dislike the book ,________ ？
8. There used to be a post office in the street ,________ ？
9. He said that he would not go with us ,_______ ？
10.We must hand in the exercises , _______ ？
11.You dare to jump off the wall ,________ ？
12. He made a few mistakes in his exercises , ______ ？
13 She must be a music lover ,______ ？
14.I suppose you know her address ,_____ ？
15. I don't think you 're serious , ______ ？
16.Let us do the jobs by ourselves ,______ ？
17. -----He used not to smoke , usedn't he ?
----- ____ ,he used to . The doctor always told him not to.
18. Do the homework by yourselves , ______ ？
19.Let's enter the hall ,___ ?
20.You must have seen him yesterday ,______ ?