高中英语 Module 2 Grammar课件 外研必修4

1、2021/8/11 星期三1外研版高一年级(必修4)Module 22021/8/11 星期三2Grammar: Imperatives2021/8/11 星期三3祈使句表示命令, 请求, 建议, 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句和第一, 三人称祈使句。祈使句的主语为 you, 通常省略, 谓语动词使用原形, 句末用感叹号或句号。祈使句的主语为第一, 三人称句子结构为: Let+ 动词原形+其他成分或Lets+动词原形+其他成分。 2021/8/11 星期三4例句:主语为第二人称. Switch off the motor. Follow the rules of the

2、 road. Dont leave the light on.2021/8/11 星期三5主语为第一, 三人称Let me see.Let her come here at eight oclock.Let us help you tidy your room.Lets have a break.2021/8/11 星期三61. 祈使句的否定式: 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词后加not; 第三人称祈使句一般在句首加dont 。有时为了加强祈使句的语气, 可以在谓语动词前加do。例如：Dont be late again. Dont let her be a

3、lone. Let us not talk of that matter. Do study hard at school. 2021/8/11 星期三72. 加强祈使句的语气：有时为了使语气更委婉，可以使用Will / Would / Could you + 动词原形、在句末加please、在句末加will you / shall we、 Why not / Why dont you + 动词原形、Youd better + 动词原形、 I suggest .等。例如：Would you come to dinner with me tonight? 2021/8/11 星期三83. 祈使句

4、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! 2021/8/11 星期三94. 含let 的祈使句：Let somebody v/adv. Lets be friends. Let me have a try, will you? Let him in, please. 2021/8/11 星期三105. 不用动词开头的祈使句。 To pump

5、s, 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!2021/8/11 星期三11用祈使句完成下列句子。 1. _ on the pavement. 2. _ in the bicycle lanes. 3. _ at red traffic lights. 4. _ the rules of the road. Dont go Stay Stop Keep b

6、reak go keep look ride stop stay watch out2021/8/11 星期三12 5. _ for pedestrians. 6. _ behind you before you turn right or left. 7. _ in the middle of the road. Look Watch out Dont ride2021/8/11 星期三131. Stand over there _ youll be able to see it better. A. or B. while C. but D. and 2. Ive never seen a

7、nyone run so fast - _ David go. A. just watch B. just to watch C. just watching D. just having watchedDA2021/8/11 星期三143. 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 DB2021/8/11 星期三155. Alice, you feed the bird to

8、day, _? But I fed it yesterday. A. do you B. will you C. didnt you D. dont you 本题中Alice 并不是句子的主语, 而是祈使句, 为了引起对方的注意。2021/8/11 星期三166. _ 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。2021/8/11 星期三177. How about a film tonight? _ I havent been to th

9、e cinema for a long time. A. Yes, thanks B. Why not? C. No, go away D. Its a pity. -今晚去看电影怎样?-为什么不呢? 我很久没去过电影院了。2021/8/11 星期三188. Youd better not smoke here, _? A. will you B. shall you C. have you D. had you 有had better 的句子构成反意疑问句, 用had 构成。2021/8/11 星期三199. Dont forget to phone me, _? A. do you B. neednt you C. wont you D. will you 否定祈使句的反意疑问句用will 构成。2021/8/11 星期三2010. Lets have a cup of tea, _? A. shall you B. will you C. shall we D. wont you 以lets 开头的祈使句用shall