祈使句练习一、将以下祈使句改为否定式：1. Come here early. 2. Ask him. 3. Please wait for her. 4. Read the book carefully. 5. Sit under the tree, please. 6. Lets go there together. 二、选择最佳答案填空：1. If you are tired, _ a rest.A. have B. havingC. to have D. had2. _ me go. It is very important for me.A. Do let B. let doC. Doing let D. To do let3. He is not honest. _ believe him. A. Not B. DontC. To not D. Not to4. If you want to stay, let me know, _?A. will you B. shall weC. do you D. do we5. Never come late again, _? A. will you B. wontC. do you D. does he6. _ up early tomorrow, or you cant catch the train.A. Getting B. GetC. To get D. Got7. _ in the street. Its dangerous.A. Not play B. Not to playC. Dont play D. Dont to play8. Please _ me some money, will you?A. lend B. lendingC. to lend D. be lend9. The film is about to begin. Please _ seated. A. be B. areC. is D. being10. _ the boxes. You may use them later. A. Keep B. KeepingC. To keep D. KeptI. 用括号内所给动词的适当形式填空。1. Its an important meeting. _ (not, be )late.2. _ (not,make) any noise! 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. Lets _ (not, say) anything about it.II. 选择填空 ( )1 .Her doctor said: “_ work so hard” A Stop B Dont C Cant D No ( )2. Sindy, _ to be here at 8 oclock 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 Dont tell B Not to tell C Not telling D No telling ( )5. _ in bed. Its bad for your eyes. A Not to read B Dont read C Dont to read D Not read ( )6. _ Your child. Well look after him. A Not to worry about B Dont worry aboutC Not worry for D Dont worry with ( )7.They are very tired. Why _ have a rest? A not they B do not they C dont 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 Dwhy dont ( ) 9 _ tell a lie. A Hardly B Not C No D Never ( )10.Please _ look outside. Look at the blackboard. A not B dont C arent D cant ( )11. Why dont 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 Lets B Let me C Letus D Allow ( )13 John, read the text for us,_? A does he B will he C do you D will you ( )14. Lets 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将下列汉语翻译成英语。 1. 请照看好您的包。 _. 2. 让我们去学校吧! _! 3. 亲爱的,高兴点儿! _! 4. 不要把书放这儿。 _. 5. 不要让猫进来。 _. Key: 1. Please look after your bag. 2. Lets go to school. 3. Be glad, dear 4. Dont put the book here . 5. Dont let the cat come in / Let the cat not come in .Go and wash your hands. （去洗你的手。命令） Be quiet, please.（Please be quiet.） （请安静。请求） Be kind to our sister. （对姊妹要和善。劝告） Watch your steps. （走路小心。警告） Look out！Danger！ （小心！危险！强烈警告，已如感叹句） Keep off the grass. （勿践草坪。禁止） No parking. （禁止停车。禁止）