高中英语祈使句

1、表示命令表示命令, 请求请求, 建议建议, 劝告或号召的句子劝告或号召的句子叫做祈使句。祈使句可分为第二人称祈使叫做祈使句。祈使句可分为第二人称祈使句和第一句和第一, 三人称祈使句三人称祈使句。祈使句的主语祈使句的主语为为you, 通常省略通常省略, 谓语动词使用原形谓语动词使用原形, 句末句末用感叹号或句号用感叹号或句号。祈使句的主语为第一祈使句的主语为第一, 三人称句子结构为三人称句子结构为: let + 动词原形动词原形+其他其他成分或成分或lets + 动词原形动词原形 + 其他成分其他成分。 例句例句:主语为第二人称主语为第二人称 switch off the motor. foll

2、ow the rules of the road.(1) dont leave the light on.主语为第一主语为第一, 三人称三人称let me see.let her come here at eight oclock.let us help you tidy your room.lets have a break. 祈使句的否定式祈使句的否定式: 第二人称祈使句一般在句首加第二人称祈使句一般在句首加dont; 第一人称祈使句一般在人称代第一人称祈使句一般在人称代词后加词后加not; 第三人称祈使句一般在第三人称祈使句一般在句首加句首加dont 。 有时为了加强祈使句的语气有时为了

3、加强祈使句的语气, 可以在可以在谓语动词前加谓语动词前加do。例如：例如：dont be late again. dont let her be alone. let us not talk of that matter. do study hard at school. 2. 加强祈使句的语气：加强祈使句的语气：有时为了使语气有时为了使语气更委婉更委婉, 可以使用可以使用will / would / could you + 动词原形、在句末加动词原形、在句末加please、在、在句末加句末加will you / shall we、 why not /why dont you + 动词原形、动

4、词原形、youd better + 动词原形、动词原形、 i suggest .等。例如：等。例如：would you come to dinner with me tonight? 3. 祈使句表祝愿的方式：祈使句表祝愿的方式： success to you! wish you a good journey. may you have a happy marriage. heres to your success! allow me to propose a toast to our friendship! 4. 含含let 的祈使句的祈使句: let somebody v./adv. le

5、ts be friends. let me have a try, will you? let him in, please. 5. 不用动词开头的祈使句。不用动词开头的祈使句。 to pumps, every one of you! to the airport, taxi! down with the pens! no smoking! no parking! no spitting! no litter! no admittance except on business!用祈使句完成下列句子。用祈使句完成下列句子。 1. _ on the pavement. 2. _ in the bi

6、cycle lanes. 3. _ at red traffic lights. 4. _ the rules of the road. dont go stay stop keep break go keep look ride stop stay watch out 5. _ for pedestrians. 6. _ behind you before you turn right or left. 7. _ in the middle of the road. look watch out dont ride1. stand over there _ youll be able to

7、see it better. a. or b. while c. but d. and 2. ive never seen anyone run so fast - _ david go. a. just watch b. just to watch c. just watching d. just having watchedda3. let us pass, _? a. shant we b. shall we c. wont we d. will you 4. wait a minute, _? a. shall you b. will you c. do you d. dont you

8、 db5. alice, you feed the bird today, _? but i fed it yesterday. a. do you b. will you c. didnt you d. dont you 6. _ down the radiothe babys asleep in the next room. a. turning b. turned c. turn d. to turn 祈使句以动词原形开头。祈使句以动词原形开头。7. how about a film tonight? _ i havent been to the cinema for a long ti

9、me. a. yes, thanks b. why not? c. no, go away d. its a pity. 8. youd better not smoke here, _? a. will you b. shall you c. have you d. had you 9. dont forget to phone me, _? a. do you b. neednt you c. wont you d. will you 10. lets have a cup of tea, _? a. shall you b. will you c. shall we d. wont you 以以lets 开