祈使句

祈使句

祈使句可以表达说话人的意愿、请求、叮嘱、号召、命令或建议，它的主语you （听话人）通常Match English with its Chinese把英文和中文连起来

Come in. 出去 省略，谓语动词用原形，句子末尾用感叹号或句号，读时用降调。 1. 祈使句的肯定形式

1）be型（系动词原形be＋表语＋其他）

Be careful! Don‘t go too high. Be quiet, everyone! 2) do型（行为动词＋宾语＋其他）

Come in, please! Please open your books! 3) let型（Let＋宾语＋动词原形＋其他）

Let me have a look. Let me help you. 2.祈使句的否定形式

1) be型（Don't＋be＋表语）

Don’t be lazy! Never be late again. 2) do型（Don't＋行为动词原形＋其他）

Don’t throw the ball like that. Don’t worry. I'll soon be all right. Never do it like that. Don’t anybody say a word. 3) let型有两种否定形式：

①Let＋宾语＋not＋动词原形＋其他。

Let him not go there. Let’s not waste time. ②Don’t＋let＋宾语＋动词原形＋其他。

Don’t let her go there. Don’t let the water run into the room. 4) No+ v-ing/n. 禁止做某事

◆祈使句的反义疑问句结构为： 否定祈使句+will you？

肯定祈使句+ will/won't you？

Come here next Sunday, will/won't you? Don't tell it to anyone, will you?

若以Let's 开头，附加疑问句用shall we 或shan't we ; 若以Let us 开头，附加疑问句用will you 或won't you . 如：Let's have a break , shall we ? 完成下列反义疑问句

1. Open the door, _________________? 2. Don’t forget, _________________? 3. Let’s go there at once, __________? 4. Let us go there, ______________?

Blood is thicker than water.

Go out 不要吸烟 Stop smoking. 进来 Look at the blackboard. 做作业 Do your homework. 看黑板 我训练，我巩固

1. Jim, _____ me a hand. A. gives B. is giving C. will give D. give 2. ____ careful, Jenny! There is a tree in front of you. A. Am B. / C. Be D. Was 3. —____ higher, and you will see the house. —OK.

A. If you stand B. To stand C. When you stand D. Stand 4. _____ forget to write to me when you get there next Tuesday. A. Don’t B. To do C. Please

5. Please ___ do it. A. he B. let him C. let he D. him

6. _____ let anyone open the door. A. Don't B. Will C. Not D. No 7.____ late again, or I’ll report it to your father.

A. Don’t be B. You aren’t C. Can’t be D. Aren’t

8. _____ get off the taxi until it stops. A. Do B. Can’t C. / D. Don’t 祈使句的两种形式: 肯定: 否定: 句型转换

(1)Will you please read it again more slowly? （改为祈使句）________ ________ again more slowly, please. (2)If you don't listen to me, I'll go. （改为同义句）_________ __________ me, or I'll go.

(3)The teachers often tell the students not to be careless. （改为祈使句）_________ _______careless, please. (4 )Please sit next to Nancy. （改为否定句）_________ __________ next to Nancy. (5) If you move, you'll die. （改为同义句）_________ ___________, or you'll die. (6)Please open your books. （改为否定句）_________ _________ your books, please.

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血浓于水。