Hello,everyone ! ! ! Welcome to 培优英语！,may 可以 park 公园；停车 grass 草 thing 东西，事情 seat 座位 next time 下一次 I see 我知道了 Thats all right没关系,5、Dont +动词原形 ，如，Dont waste food!,1、以动词原形开头，如；Sit down! Stand up!,2、be + 形容词，如，Be quiet ! Be careful!,3、let sb do sth ，如，lets go . let me help you .,4、No + 动词ing ，如，No spitting! No littering!,祈使句是什么呢？,祈使句：表命令、请求、劝告、禁止、省略主语的句子，有以下五种形式。,Lets learn 让我们来看看下边的祈使句吧,Sit down. Close the door. Dont stand up Dont close the window. Listen to me. Look at the blackboard. Dont talk. Dont look at your book.,选择题 1.Please_ look outside. Look at me. A no B arent C dont D cant 2.-I dont want to stay at home. -Ok. Lets play_. A outside B late C early D back 3.-Dont run in the hallway(走廊）,LinTao -_,Miss Wang. A Thanks B Good C Sorry D Welcome 4._ be late next time, Tom. A Dont B Not C No D Do 5.They are _a basketball game. Its really exciting. A watching B watch C watched D to watch,C,A,C,A,A,翻译以下句子,1.我可以进来吗？,2.下次不要迟到了！,Dont be late next time!,不要在草坪上跑.,3.Dont run on the grass.,听我说。不要说话,4.Listen to me .Dont talk.,No littering,不要随处扔垃圾,Keep quiet!,保持安静,No spitting!,不要随地吐痰!,Dont waste food!,不要浪费粮食!,Watch your step!,小心台阶；注意脚下!,May I come in？,Thank you!,