内容正文:
小升初英语专题总复习
专题17 祈使句
考点一
祈使句的肯定形式
使用秘籍:
祈使句是用来表示命令、请求、建议、劝告、警告或禁止等语气的句子。
祈使句的主语通常是第二人称you,但通常省略,谓语动词用原形。
句末用句号或感叹号,读降调。
一、祈使句的基本结构
· - 动词原形 + 其他!
- 例如:Come in, please!(请进!)
- 例如:Open the door!(开门!)
- 例如:Sit down!(坐下!)
· - Be动词 + 形容词/名词 + 其他!
- 例如:Be quiet!(安静!)
- 例如:Be careful!(小心!)
- 例如:Be a good boy!(做个好孩子!)
· - Let + 宾语 + 动词原形 + 其他!
- 例如:Let me help you.(让我帮你。)
- 例如:Let's go to the park.(我们去公园吧。)
- 例如:Let him do it by himself.(让他自己做。)
二、祈使句的强调形式
在动词原形前加Do表示强调,意为“务必”“一定”。
- 例如:Do come on time!(务必要准时来!)
- 例如:Do be careful!(一定要小心!)
- 例如:Do tell me the truth!(一定要告诉我真相!)
三、祈使句的礼貌表达
在句首或句尾加please可以使语气更礼貌。
- 句首:Please open the window.(请打开窗户。)
- 句尾:Open the window, please.(请打开窗户。)
4、 Let’s 与 Let us 的区别
· Let’s表示“让我们(建议一起做)”,包括听话人。
· Let us 表示“让我们(请求允许)”,不包括听话人。
- 例如:Let's go shopping.(我们一起去购物吧。——包括对方)
- 例如:Let us go home.(请让我们回家。——请求对方允许,不包括对方)
考点再现
用所给动词的适当形式填空
1. ______ (be) quiet, please.
2. ______ (not) talk in class.
3. Let's ______ (go) swimming.
4. ______ (open) the window, it's hot.
5. ______ (be) careful when you cross the road.
过关训练
单项选择
( ) 1. ______ late again next time.
A. Don't B. Don't be C. Not be D. Be not
( ) 2. ______ the book to the library on time.
A. Returning B. Returns C. Return D. To return
( ) 3. Let me ______ a look at your new watch.
A. to have B. has C. having D. have
( ) 4. ______ afraid. I will help you.
A. Don't B. Don't be C. Not be D. Be not
( ) 5. Please ______ the door. It's cold outside.
A. closes B. to close C. close D. closing
( ) 6. ______ up early, or you'll miss the train.
A. Getting B. Gets C. To get D. get
( ) 7. Let's ______ a rest. We are all tired.
A. have B. to have C. having D. had
( ) 8. ______ your hands before meals.
A. Washing B. Washes C. Wash D. To wash
( ) 9. ______ me your telephone number, please.
A. To give B. Gives C. Giving D. Give
( ) 10. ______ sure to lock the door when you leave.
A. Make B. Makes C. Making D. To make
考点二
祈使句的否定形式
使用秘籍:
祈使句的否定形式表示禁止或劝阻,通常在动词原形前加Don't。
一、否定祈使句的基本结构
· - Don't + 动词原形 + 其他!
- 例如:Don't run in the classroom.(不要在教室里跑。)
- 例如:Don't be late again.(不要再迟到了。)
- 例如:Don't forget to call me.(别忘了给我打电话。)
· - Never + 动词原形 + 其他!
- 例如:Never give up!(永不放弃!)
- 例如:Never tell a lie!(绝不说谎!)
· - No + 名词/动名词!
- 例如:No smoking!(禁止吸烟!)
- 例如:No parking!(禁止停车!)
- 例如:No photos!(禁止拍照!)
二、Let引导的祈使句的否定形式
· - Don't let + 宾语 + 动词原形
- 例如:Don't let him go.(别让他走。)
- 例如:Don't let the baby cry.(别让婴儿哭。)
· - Let + 宾语 + not + 动词原形
- 例如:Let him not go.(别让他走。)
- 例如:Let's not waste time.(我们别浪费时间了。)
3、 常见否定祈使句
肯定祈使句
否定祈使句
Come here.
Don't come here.
Be quiet.
Don't be quiet.(少见)/ Don't make noise.
Open the door.
Don't open the door.
Let's go.
Let's not go.
考点再现
将下列肯定祈使句改为否定祈使句
1. Sit down.
________________________________________________
2. Be careful.
________________________________________________
3. Open the window.
________________________________________________
4. Let's go to the park.
________________________________________________
5. Turn on the TV.
________________________________________________
过关训练
单项选择
( ) 1. ______ run in the hallway. It's dangerous.
A. Doesn't B. No C. Not D. Don't
( ) 2. ______ be so noisy. The baby is sleeping.
A. Not B. Don't C. No D. Doesn't
( ) 3. ______ phones in class.
A. No use B. Not use C. Don't use D. Doesn't use
( ) 4. Let's ______ to bed too late.
A. don't go B. not go C. no go D. not to go
( ) 5. ______ your homework after school.
A. Don't forget to do B. Don't forget doing
C. Not forget to do D. No forget doing
( ) 6. ______ the window. It's cold outside.
A. Not open B. No open C. Don't open D. Doesn't open
( ) 7. ______. The teacher is coming.
A. No talk B. Not talking C. Don't talk D. Doesn't talk
( ) 8. Let him ______ alone. He needs some quiet time.
A. being B. not be C. be D. doesn't be
( ) 9. ______ the flowers. They are beautiful.
A. Doesn't pick B. Not pick C. No pick D. Don't pick
( ) 10. ______ shy. Just try your best.
A. Don't being B. Not be C. Don’t be D. Doesn't be
考点三
祈使句的应答
使用秘籍:
祈使句的应答通常表示接受或拒绝对方的命令、请求或建议。
一、肯定应答
· - OK. / All right. / Sure. / Certainly.
- 例如:—Please close the door. —OK.
· - I will./I won't.
- 例如:—Don't be late again. —I won't.
· - Let's...的应答
- 肯定:OK. / Good idea. / That sounds great. / Sure.
- 例如:—Let's go to the movies. —Good idea!
二、否定应答
· - Sorry, I can't.
- 例如:—Please help me. —Sorry, I'm busy.
· - I'm afraid I can't.
- 例如:—Come to my party. —I'm afraid I can't.
三、Let's 的附加疑问句
- Let's go, shall we?(我们走吧,好吗?)
- Let us go, will you?(让我们走吧,好吗?)
过关训练
单项选择
( ) 1. —Please pass me the salt.
—______
A. Here you are. B. Thank you. C. That's right. D. You're welcome.
( ) 2. —Don't touch the wet paint.
—______
A. Sorry, I will. B. OK, I won't. C. Yes, I do. D. No, I don't.
( ) 3. —Let's watch a movie tonight.
—______
A. Sorry, I can't. B. That's all right. C. You're welcome. D. Never mind.
( ) 4. —Be careful! The floor is slippery.
—______
A. Thank you. B. I don't care. C. That's fine. D. Not at all.
( ) 5. —Don't forget to bring your homework tomorrow.
—______
A. Yes, I will. B. No, I won't. C. Yes, I do. D. No, I don't.
一、用所给动词的适当形式填空
1. __________ (not) be late for school.
2. Let's __________ (help) each other.
3. __________ (turn) off the light when you leave.
4. __________ (be) kind to your little sister.
5. __________ (not) forget to lock the door.
6. Let him __________ (do) his homework by himself.
7. __________ (keep) quiet in the library.
8. Never __________ (give) up.
9. __________ (not) run in the hallway.
10. __________ (clean) your room every day.
二、单项选择
( ) 1. ______ your shoes before entering the room.
A. Take off B. Takes off C. Taking off D. To take off
( ) 2. ______ eat too much junk food. It's bad for your health.
A. Not B. No C. Don't D. Doesn't
( ) 3. Let's ______ the bus. It's coming.
A. hurry to catch B. hurry catch C. to hurry to catch D. hurrying to catch
( ) 4. ______ afraid of making mistakes. Everyone makes mistakes.
A. Don't B. Don't be C. Not be D. Be not
( ) 5. Please ______ the answer on the blackboard.
A. writes B. write C. writing D. to write
( ) 6. ______ make noise. The baby is sleeping.
A. Don't B. Not C. No D. Doesn't
( ) 7. Let me ______ you with your luggage.
A. to help B. helping C. help D. helped
( ) 8. ______ up, or you'll be late for school.
A. Hurry B. Hurries C. Hurrying D. To hurry
( ) 9. ______ in the river. It's dangerous.
A. Not swim B. No swim C. Don't swim D. Doesn't swim
( ) 10. Let's ______ a break. We've been working for hours.
A. takes B. to take C. taking D. take
( ) 11. ______ your hands before eating.
A. Wash B. Washes C. Washing D. To wash
( ) 12. ______ talk so loudly. Others are reading.
A. Doesn't B. Not C. No D. Don't
三、改错题
下列句子中有一处错误,请找出并改正。
1. Not be late for the meeting.
________________________________________________
2. Let's going to the beach this weekend.
________________________________________________
3. Don't noisy in the classroom.
________________________________________________
4. Please to close the door.
________________________________________________
5. Let us to play football after school.
________________________________________________
6. Not smoke here. It's not allowed.
________________________________________________
答案与解析
考点梳理
考点一:祈使句的肯定形式
考点再现
用所给动词的适当形式填空
1. Be
- 解析:祈使句以动词原形开头,Be quiet意为“安静”。
2. Don't
- 解析:否定祈使句用Don't + 动词原形,Don't talk意为“不要说话”。
3. go
- 解析:Let's后接动词原形,go swimming意为“去游泳”。
4. Open
- 解析:祈使句以动词原形Open开头,意为“打开窗户”。
5. Be
- 解析:祈使句以动词原形Be开头,Be careful意为“小心”。
过关训练
1. B
- 解析:否定祈使句Don't be late,Don't后接be动词原形。
2. C
- 解析:祈使句以动词原形Return开头,意为“按时归还书”。
3. D
- 解析:Let me后接动词原形have,have a look意为“看一看”。
4. B
- 解析:否定祈使句Don't be afraid,意为“不要害怕”。
5. C
- 解析:Please后接动词原形close,意为“请关门”。
6. D
- 解析:祈使句以动词原形Get开头,Get up early意为“早点起床”。
7. A
- 解析:Let's后接动词原形have,have a rest意为“休息一下”。
8. C
- 解析:祈使句以动词原形Wash开头,意为“饭前洗手”。
9. D
- 解析:Please后接动词原形Give,意为“请给我你的电话号码”。
10. A
- 解析:祈使句以动词原形Make开头,Make sure意为“确保”。
考点二 祈使句的否定形式
考点再现
将下列肯定祈使句改为否定祈使句
1. Don't sit down.
- 解析:否定祈使句在动词原形前加Don't。
2. Don't be careful.
- 解析:be动词的否定形式为Don't be。
3. Don't open the window.
- 解析:在动词原形open前加Don't。
4. Let's not go to the park.
- 解析:Let's的否定形式为Let's not + 动词原形。
5. Don't turn on the TV.
- 解析:在动词原形turn前加Don't。
过关训练
1. D
- 解析:否定祈使句用Don't + 动词原形,Don't run。
2. B
- 解析:否定祈使句Don't be so noisy。
3. C
- 解析:否定祈使句Don't use phones。
4. B
- 解析:Let's的否定形式为Let's not do sth.。
5. A
- 解析:否定祈使句Don't forget to do sth.。
6. C
- 解析:否定祈使句Don't open the window。
7. C
- 解析:否定祈使句Don't talk。
8. B
- 解析:Let him的否定形式为Let him not be。
9. D
- 解析:否定祈使句Don't pick the flowers。
10. C
- 解析:否定祈使句Don't be shy。
考点三 祈使句的应答
过关训练
1. A
- 解析:请求对方递盐,应答用Here you are(给你)。
2. B
- 解析:否定祈使句“别碰湿油漆”的应答用OK, I won't(好的,我不会碰的)。
3. A
- 解析:建议一起看电影,不能参加的应答用Sorry, I can't。
4. A
- 解析:对方提醒小心,应答用Thank you表示感谢。
5. B
- 解析:否定祈使句“别忘了带作业”的应答用No, I won't(好的,我不会忘的)。
强化练习
一、用所给动词的适当形式填空
1. Don't
- 解析:否定祈使句用Don't + 动词原形。
2. help
- 解析:Let's后接动词原形help。
3. Turn
- 解析:祈使句以动词原形Turn开头。
4. Be
- 解析:祈使句以动词原形Be开头,Be kind意为“友善”。
5. Don't
- 解析:否定祈使句用Don't + 动词原形。
6. do
- 解析:Let him后接动词原形do。
7. Keep
- 解析:祈使句以动词原形Keep开头。
8. give
- 解析:Never后接动词原形,Never give up意为“永不放弃”。
9. Don't
- 解析:否定祈使句用Don't + 动词原形。
10. Clean
- 解析:祈使句以动词原形Clean开头。
二、单项选择
1. A
- 解析:祈使句以动词原形Take off开头。
2. C
- 解析:否定祈使句用Don't + 动词原形。
3. A
- 解析:Let's后接动词原形hurry to catch。
4. B
- 解析:否定祈使句Don't be afraid。
5. B
- 解析:Please后接动词原形write。
6. A
- 解析:否定祈使句用Don't + 动词原形。
7. C
- 解析:Let me后接动词原形help。
8. A
- 解析:祈使句以动词原形Hurry开头。
9. C
- 解析:否定祈使句Don't swim。
10. D
- 解析:Let's后接动词原形take,take a break意为“休息一下”。
11. A
- 解析:祈使句以动词原形Wash开头。
12. D
- 解析:否定祈使句Don't talk。
三、改错题
1. 错误:Not be
改正:Don't be
- 解析:否定祈使句用Don't + 动词原形,Don't be late。
2. 错误:going
改正:go
- 解析:Let's后接动词原形,Let's go to the beach。
3. 错误:Don't noisy
改正:Don't be noisy
- 解析:noisy是形容词,前面需要be动词。
4. 错误:to close
改正:close
- 解析:Please后接动词原形,不加to。
5. 错误:to play
改正:play
- 解析:Let us后接动词原形,不加to。
6. 错误:Not smoke
改正:Don't smoke / No smoking
- 解析:否定祈使句用Don't smoke,或No smoking表示“禁止吸烟”。
第 1 页 共 7 页
学科网(北京)股份有限公司
学科网(北京)股份有限公司
$