1、 way, please. 请 这边走。 2. Be型+其它成分）。Be a good boy! 要做 一个好孩子! 3. Let型。Let me help you. 让 我来帮你。 否定结构:1. Do型和Be型的否定式都是在句首加dont构成。Dont forget me! 不 要忘记我! Dont be late for school! 上学不要迟到! 2. Let型的否定式有两种:“Dont + let + 宾语 + 动词原形 + 其它成 分;和Let + 宾语 + not + 动词原形 + 其它成分 。Dont let him go. / Let him not go.
2、别让他走。. 有些可用no开头,用来表示禁止性的祈使句。 如:No smoking! 禁止吸烟! No fishing! 禁止钓鱼! 练习：将下列汉语翻译成英语。 1. 请照看好您的包。 _. 让我们去学校吧! _!. 亲爱的,高兴点儿!. 不要把书放这儿。 _. 5. 不要让猫进来。 _. 1. Please look after your bag . Lets go to school . Be glad, dear 4. Dont put the book here 5. Dont let the cat come in / Let the cat not come in let带头的祈
3、使句 由let;带头的祈使句是个常见的动词句型，它的主要用法有下列三种： 1.表示&建议” 这个句型里的let后头紧跟着一个第一人称的代词宾语， 如： Let me try. Lets do it. Let me go and look for it. 这个句型语气委婉，比直接的祈使句客气。 试比较a和b: a. Dont disturb him. b. Lets not disturb him. 是直接命令，语气强烈，不如温柔悦耳。.表示间接命令或愿望。 这句型里的动词宾语是第三人称名词或代词，如： Let Robert take charge of the marketing
4、department. Let her join our choir. .表示警告蔑视威胁等。 这种祈使句里的宾语也是第三人称为主。除了口气凶悍之外，有时还语带讽刺，如： Let him try and he will expose his inability to work on his own. ； 如果宾语是第一人称，则用Let.not： Dont let this type of things happen again. Its raining now. Lets not go out until after the rain. 二、Let只适用于现在时态，可以有被动语态 ，如： Le
5、t the recalcitrant criminals be sent to prison. Let all the dedicated capable staff be promoted. 三、Let;后头除了是不带to的不定式动词 之外，还可以是某些适当的副词，如out, in, down, alone等： Open the windows and let the fresh air in. The room is too sunny. Let the blinds down. Let me alone, please. 四、用Lets时，把谈话者的对象包括在内；用Let us时，并不包
6、括对方，如： Lets try it, shall we? Let us do it by ourselves, will you? 从里的shall we和里的will you，不难知道前者包括听话人，后者并没有。 英语祈使句练习题 I. 用括号内所给动词的适当形式填空。 1. Its an important重要的 meeting会议. _ late. _ any noise噪音! Your mother is sleeping. 3. _ with your mouth full of food and _ polite礼 貌的. 4. _ and _ aloud大声的. _ your
7、homework for tomorrow, Larry.6. _ out! A car is coming. 7. _ us ten years and just see what our country国家 will be like.8. _ the baby cry哭. 9. Wear more clothes or you _ a cold感冒.10. Lets _ anything about关于 it.II. 选择填空 1 .Her doctor said: “_ work so hard辛苦”A Stop B Dont C Cant D No 2. Sindy, _ to be
8、here at oclockA is sure B is sure that C will be sure D be sure 3._ when you cross the road马路. A Do careB Care C Be careful D To be careful4. _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 readA Not to worry abo
9、ut C Dont to read D Not read C Not worry for D Dont worry with 6. _ Your child. Well look after him. B Dont worry about 7.They are very tired. Why _ have a rest?A not they B do not they C dont they - All right. D not to -You look rather tired. _ stopping to have a rest? A Why not B How about怎么样_ tel
10、l a lie. A Hardly C Why not to D why dont B Not C No D Never绝不 10.Please _ look outside外面. Look at the blackboard黑板.A not B dont C arent D cant 11. A What not B Why notA Lets B Let me C Why to D How to 1_ go for the book alone, Mrs Zhang. C LetusD Allow 1John, read the text for us,_? A does he B wil
11、l he C do you D will you B will you C do we D do you 14. Lets do it at once, _ ? A shall we 15. Let us do it at once, _ ? C do weD do you 祈使句 一. 祈使句类型： 1. 肯定祈使句，谓语动词用_.小心：_ 不要说话了：_ 注：此时主语通常为_, 但也可以是第三人称，如：Tom，小心。_ . 否定祈使句，谓语动词用_不要粗心：_; _ . 以let开头的祈使句。如Let sb. do sth. 或者Lets do sth. . 委婉的祈使语气： _ _ _
12、二. 祈使句考点： 1. 祈使句，_+陈述句 Be careful, _ you will fail. Be careful, _you can make it. 注意变体形式：名词短语+and/or+陈述句 One more hour, _ I will finish it. One more hour, _ I could have finished it.2. 祈使句的反义疑问句： 肯定祈使句：_ 否定祈使句：_ 以let开头的祈使句：A. Let sb, _ B. Lets ., _ 三. 陈述句的反义疑问句： 1. 动词为be动词：_This woman is our teacher
13、, _? . 动词为其他动词：_She wears a shirt, _? 3. 动词中有助动词，如_, 此时_ 如：You have finished your homework, _? 4. 动词中有情态动词：A._ B. _ You can speak English, _? must的反义疑问： You must finish your homework, _? You must be a student, _? You must have met her, _? She must have met him yesterday, _? It must be going to rain
14、tomorrow, _? dare/need的反义疑问： You need finish your homework, _? You need to finish your homework, _? ought to/should的反义疑问： You should finish your homework, _? You ought to come here, _? have to的反义疑问： We have to cross the road, _? We had to cross the road, _? used to的反义疑问： He used to be a student, _或者
15、_? . There be句型的反义疑问句：_ . 句子含有否定词：no, not, little, few, hardly, scarcely, seldom, nothing等时，反义疑问用_；句子含有反义前后缀时，反义疑问用_ 如: There is little water to drink now, _? It is impossible to make progress without hard work, _? . 感叹句的反义疑问：_ What a fine day, _? How exciting the game is, _? 8. 宾语从句的反义疑问：A. _; B. _
16、I dont think it is., _?I think it is, _? She doesnt think it is, _? She thinks it is, _?. 主语从句、动词ing形式做主语，反义疑问用_Protecting our environment is our duty, _? 10. wish后接宾语从句，反义疑问用_ 四. 巩固练习： 1. Youd rather watch TV this evening, _? a. isnt itb. hadnt youc. wouldnt youd. wont you . I suppose youre not goi
17、ng today, _? a. are youb. do you c. dont you d. arent you . I wish to shake hands with you, _? a. shallb. may I c. do Id. will I . Three hours ought to be enough time, _? a. oughtnt three hours b. didnt they c. shouldnt it d. shouldnt three hours . They have to study a lot, _? a. dont they b. havent
18、 they c. did they d. hadnt they . When the car crashed, your brother escaped being hurt, _ ? a. didnt he b. did he c. did it d. didnt it . Im sure dirty, _? a. am I b. isnt I c. arent I d. am not I 8. You seem to be dissatisfied with your present post. I dont think you judged your ability objectivel
19、y when you applied for it, _ you? a. do b. did c. dont d. didnt . Thats the sort of the book you want, _? a. is it d. isnt that c. is that d. isnt it 10. All these dictionaries are a great help to you, _? a. are theyb. arent they c. are all these dictionaries d. arent all these dictionaries 11. The
20、movie that we saw last week was quite interesting, _? a. wasnt it b. was it c. didnt wed. werent we 12. Tom has been writing letters all afternoon, but he should have finished them by now, _? a. hasnt he b. has he c. shouldnt he d. didnt you 13. David told me that you would take a trip to America, _
21、? a. would you b. wouldnt you c. did you d. didnt you 14. There appeared to be no better way, _? a. was there b. were there c. did there d. didnt there 15. You has some trouble finding where I live, _? a. didnt you b. hadnt you c. do I d. dont I 16. He has his hair cut every month, _? a. has he b. h
22、asnt he c. does he d. doesnt he 17. Your friend needs to come earlier, _? a. does he b. doesnt he c. need he d. neednt he 18. The little boy dare not go to church, _? a. dare he b. darent he c. does he d. doesnt he 19. Susand have worked abroad if shed had the chance, _? a. has she b. hadnt she c. w
23、ould she d. wouldnt she 0. Everyones having a good time, _? a. is he b. isnt everyone c. does he d. arent they 1. Any one can join the club, _? a. can any one b. cant any one c. cant they d. can they 2. Tell me how to operate the electronic computer, _? a. will you b. shant you c. do you d. dont you
24、 3. Magaret scarcely comes to visit you on Christmas Day, _? a. doesnt she b. does she c. do you d. dont you 24. Lets listen to the radio program that the teacher mentioned, _? a. do web. dont wec. shall we d. shant we 5. You think youre funny, _? a. didnt you b. are you c. dont you d. do you. Janet used to take part in labor in that village, _? a. used she b. did she c. didnt she d. should she 7. What beautiful weather, _? a. is it b. isnt it c. wont it d. doesnt it 8. He ought to go to Kwangchow by plane, _? a. should he b. shouldnt he c
