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1、 祈使句用法及习题Hello, boys and girls!英语祈使句王国的职责是用来表示请求、命令、建议、禁止等。这个王国的特点是通常没有主语，多以动词原形开始。下面，看看王国中六兄弟的表演吧！I. 大哥V档案 V(代表行为动词原形)+宾语+其它成分表演 Close the window. 关上窗户。Help yourself to some fish. 随便吃点鱼吧。II. 二哥B档案 Be+表语(名词/形容词等)+其它成分表演Be a good student!做个好学生！Be quiet!安静！III. 三哥L档案 Let+宾语(通常为第一或第三人称宾格)+动词原形+其它成分表演 L
2、ets go home!咱们回家吧！ Let her in. 让她进来。IV. 四哥D档案 Dont+动词原形+其它成分表演 Dont be late. 不要迟到。 Dont read in the sun.别在阳光下看书。V. 五哥P档案 Please+动词短语(please也可放在句尾，其前加逗号)表演Please sit down.=Sit down, please.请坐。VI. 六弟N档案 No+名词或动名词(是日常生活中常见的警示语)表演 No photos!禁止拍照！ No smoking！禁止吸烟!六兄弟为了和小朋友们交个朋友，把英语祈使句王国的秘笈也一并奉献给大家：祈使句，无主
3、语，只用谓语就可以。表示请求或命令，加上please表客气。Stand up, please！ 请起立！Come here. 来这里。如果变成否定句，Dont开头是规律。No fishing！是警示语，祈使句用法要牢记。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 res
4、t.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.
5、 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
6、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. Kept【参考答案】一、1. Dont come here early. 2. Dont ask him. 3. Please dont wait for her. 4. Dont read the book carefully. 5. Dont sit under the tree, please. 6. Dont lets go there together. / Lets dont go there together. (from )二、1.5. AABAA 6.10. BCAAA
