1、lesson41,a fight,listen and answer question,1、what does Mr Crisp see? 2、what does Mr Crisp want those boys do? 3、How about boys? 4、Why Sandy let Billy look in the mirror?,Listen carefully！,Word,look and find,Break it up Go and have a wash Lets have a wash Look in the mirror,祈使句 : 是表示请求、命令、建议等句子，通常说话
2、的对象是第二人称you, you常被省略。 肯定式：以动词原形开头 否定式：dont+动词原形 Be careful! 0pen your books（please ） Let me have a try. Dont open the door. No smoking,Grammar focus,祈使句,I. 大哥 V(代表行为动词原形)+宾语+其它成分 Close the window. 关上窗户。 Help yourself to some fish. 随便吃点鱼吧。,II. 二哥B Be+表语(名词/形容词等)+其它成分 Be a good student!做个好学生！ Be quiet
3、!安静！,III. 三哥L Let+宾语(通常为第一或第三人称宾格)+动词原形+其它成分 Lets go home!咱们回家吧！ Let her in. 让她进来。,IV. 四哥P Please+动词短语(please也可放在句尾，其前加逗号) Please sit down.=Sit down, please.请坐。,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. W
4、as 3. Lets _ our time. A. not waste B. no wasting C. not to waste D. no waste 4. _ higher, and help me get it. A. If you stand B. To stand C. When you stand D.Please,stand,Exercises:,五哥D,Dont+动词原形+其它成分 Dont be late. 不要迟到。 Dont read in the sun.别在阳光下看书。,六弟N,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！ N
5、o smoking！禁止吸烟!,Dont pick the flowers!,Dont smoke! No smoking!,Giving orders / instructions,lets , shall we? Let sb . , will you? 祈使句 ， will you? 强调：DO，可以放在动词前，为加强语气用。 Do come in,please! Do listen to me ,please! Do open the door,please!,反意疑问句,.,3. Let me _ on duty today. A. am B. / C. be D. do 4. Le
6、ts _ our time. A. not waste B. no wasting C. not to waste D. no waste 5. _ higher, and you will see the house. OK. A. If you stand B. To stand C. When you stand D. Stand 6. _ forget to write to me when you _ get there next Tuesday. A. Dont; will B. Please; will C. Please; / D. Dont; /,C,A,D,Choose t
7、he correct answer.,D,7. Please _ do it. A. he B. he let C. let him D. him 8. _ come in, please. A. Will B. Do C. Wont D. Did 9. _ careful! A. Be do B. Do be C. Not D. Not do 10. 1. Call me when you get home. OK, _. A. I must B. I can C. I will D. I may,C,B,B,c,lets play a game,Class is over,Bye-bye!,
