祈使句
祈使句指的是表示命令、请求、建议或劝告的句子。其主语you常省略，谓语动词用原形，句末用感叹号或句号，读降调。
1. 肯定的祈使句
（1）动词原形+其他
Stand up, please. = Please stand up. 请起立。
（2）Be + adj.
Be careful! = Look out! = Take care! 小心 / 当心！
（3）Let's + 动词原形
Let’s go to school together. 咱们一起上学去吧。
2. 否定的祈使句
(1) Don't + 动词原形
Don't stand up. 别站起来。
Don't be careless. 别粗心。
Don't let them play with fire. 别让他们玩火。
（2）Let's ( let sb ) + not + 动词原形
Let's not say anything about it. 对于这件事，咱们什么也别说。
Let them not play with fire. 别让他们玩火。
(3).在公共场合的提示语中,否定祈使句常用No+名词/V-ing形式结构,表示禁止做某事
例如：NO PHOTOS! 禁止拍照！
(4)在Be动词引起的肯定祈使句前加Don't,构成Don't be+其它成分(形容词、名词或介词短语
等)。例如:Don't be careless.不要粗心。
注意：在这种句型中be不能省略；否定副词not不可置于be之后。
3.祈使句的反意疑问句
(1) 肯定祈使句的反意疑问句反问部分用will you 或won't you。
Please open the door, will/ won’t you? 请把门打开，好吗？
(2) 否定祈使句的反意疑问句反问部分只用will you。
Don't be late again, will you? 别再迟到了，行不行？
(3) 以let's开头的祈使句反意疑问句反问部分用shall we。
Let's turn on the TV, shall we? 我们把电视打开，好吗？
只有以let's开头的祈使句的反意疑问句的反问部分才用shall we，而let us 开头的祈使句的反意疑问句的反问部分应为will you或won't you.如：Let us stay here, will/ won't you? 请（你）让我们留在这好吗？
语法练兵场
单项选择
1. The TV is too loud. Please________.
A. turn it down B. to turn it down C. turn down it D. to turn down it
2. _______ late again, Bill!
A. Don't to be B. Don't be C. Not be D. Be not
3. _______ cross the road until the traffic lights turn green.
A. Not B. Won't C. Doesn't D. Don't
4. Please help me carry it, ______?
A. will I B. will you C. shall I D. shall we
5. Don't make so much noise, ______?
A. will you B. won't you C. shall we D. do you
6. Do you know the girl ______under the tree?
A. stand B. to stand C. standing D. stood
7. Kate, _______ your homework here tomorrow.
A. bring B. brings C. to bring D. bringing
8. ________ me the truth, or I'll be angry.
A. Telling B. To tell C. Told D. Tell
9. I've kept the dog _______Maomao for a long time.
A. Name B. named C. naming D. to name
10. Don't you know that _______ is good for our health?
A. swim B. swimming C. swam D. swims
句型转换
11. Will you please read it again more slowly? （改为祈使句）
___ read __ __ it __ again more slowly, please.
12. If you don't listen to me, I'll go. （改为同义句）
_____ _____ me, or I’ll go.
13. Let's watch the sports games. （改为反意疑问句）
Let's watch the sports games, _____ _____?
14. The teachers often tell the students not to be careless. （改为祈使句）
_____ _____careless, please.
15. Please sit next to Nancy. （改为否定句）
_____ _____ next to Nancy.
16. Don't forget to turn off the lights, please. （改为反意疑问句）
Don't forget to turn off the lights, _____ _____?
17. If you move, you'll die. （改为同义句）
_____ _____, or you'll die.
18. Come to my house tomorrow. （改为反意疑问句）
Come to my house tomorrow, _____ _____?
19. 这是一个坏了的被子。 （翻译句子）
This is a ______ ______.
20. 让我们去帮帮那个哭泣的女孩吧。 （翻译句子）
Let’s go and help the _____ _____, please.
参考答案
语法练兵场
1-5. ABDBA 6-10. CADBB
11. Read it 12. Listen to 13. shall we 14. Don’t be 15. Don’t sit
16. will you 17. Don’t move 18. will / won’t you 19. broken glass / cup
20. crying girl
祈使句
祈使句指的是表示命令、请求、建议或劝告的句子。其主语you常省略，谓语动词用原形，句末用感叹号或句号，读降调。
1. 肯定的祈使句
（1）动词原形+其他
Stand up, please. = Please stand up. 请起立。
（2）Be + adj.
Be careful! = Look out! = Take care! 小心 / 当心！
（3）Let's + 动词原形
Let’s go to school together. 咱们一起上学去吧。
2. 否定的祈使句
(1) Don't + 动词原形
Don't stand up. 别站起来。
Don't be careless. 别粗心。
Don't let them play with fire. 别让他们玩火。
（2）Let's ( let sb ) + not + 动词原形
Let's not say anything about it. 对于这件事，咱们什么也别说。
Let them not play with fire. 别让他们玩火。
(3).在公共场合的提示语中,否定祈使句常用No+名词/V-ing形式结构,表示禁止做某事
例如：NO PHOTOS! 禁止拍照！
(4)在Be动词引起的肯定祈使句前加Don't,构成Don't be+其它成分(形容词、名词或介词短语
等)。例如:Don't be careless.不要粗心。
注意：在这种句型中be不能省略；否定副词not不可置于be之后。
3.祈使句的反意疑问句
(1) 肯定祈使句的反意疑问句反问部分用will you 或won't you。
Please open the door, will/ won’t you? 请把门打开，好吗？
(2) 否定祈使句的反意疑问句反问部分只用will you。
Don't be late again, will you? 别再迟到了，行不行？
(3) 以let's开头的祈使句反意疑问句反问部分用shall we。
Let's turn on the TV, shall we? 我们把电视打开，好吗？
只有以let's开头的祈使句的反意疑问句的反问部分才用shall we，而let us 开头的祈使句的反意疑问句的反问部分应为will you或won't you.如：Let us stay here, will/ won't you? 请（你）让我们留在这好吗？
语法练兵场
单项选择
1. The TV is too loud. Please________.
A. turn it down B. to turn it down C. turn down it D. to turn down it
2. _______ late again, Bill!
A. Don't to be B. Don't be C. Not be D. Be not
3. _______ cross the road until the traffic lights turn green.
A. Not B. Won't C. Doesn't D. Don't
4. Please help me carry it, ______?
A. will I B. will you C. shall I D. shall we
5. Don't make so much noise, ______?
A. will you B. won't you C. shall we D. do you
6. Do you know the girl ______under the tree?
A. stand B. to stand C. standing D. stood
7. Kate, _______ your homework here tomorrow.
A. bring B. brings C. to bring D. bringing
8. ________ me the truth, or I'll be angry.
A. Telling B. To tell C. Told D. Tell
9. I've kept the dog _______Maomao for a long time.
A. Name B. named C. naming D. to name
10. Don't you know that _______ is good for our health?
A. swim B. swimming C. swam D. swims
句型转换
11. Will you please read it again more slowly? （改为祈使句）
___ read __ __ it __ again more slowly, please.
12. If you don't listen to me, I'll go. （改为同义句）
_____ _____ me, or I’ll go.
13. Let's watch the sports games. （改为反意疑问句）
Let's watch the sports games, _____ _____?
14. The teachers often tell the students not to be careless. （改为祈使句）
_____ _____careless, please.
15. Please sit next to Nancy. （改为否定句）
_____ _____ next to Nancy.
16. Don't forget to turn off the lights, please. （改为反意疑问句）
Don't forget to turn off the lights, _____ _____?
17. If you move, you'll die. （改为同义句）
_____ _____, or you'll die.
18. Come to my house tomorrow. （改为反意疑问句）
Come to my house tomorrow, _____ _____?
19. 这是一个坏了的被子。 （翻译句子）
This is a ______ ______.
20. 让我们去帮帮那个哭泣的女孩吧。 （翻译句子）
Let’s go and help the _____ _____, please.
参考答案
语法练兵场
1-5. ABDBA 6-10. CADBB
11. Read it 12. Listen to 13. shall we 14. Don’t be 15. Don’t sit
16. will you 17. Don’t move 18. will / won’t you 19. broken glass / cup
20. crying girl