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Unit 12Lets go!祈使句：祈使句：祈使句一般以动词原形开头祈使句一般以动词原形开头, 表示请求、表示请求、命令、劝说、号召、警告等。命令、劝说、号召、警告等。句型Look at the blackboard, please. 请看黑板请看黑板Be quiet, please. 请安静请安静Let me help you. 让我来帮你让我来帮你词语have to 表示表示“必须必须, 不得不不得不”的意思的意思,表示客观表示客观的需要的需要, 后接动词原形。后接动词原形。 have to, has to, had to的疑问句和否定的疑问句和否定句要使用助动词句要使用助动词do, does或或did 词语listen “听听”强调听的动作强调听的动作hear “听到听到”强调听的结果强调听的结果sound “听起来听起来”后跟形容词后跟形容词我们想到了类似的一组词：“看”词语都有都有“别的别的, 其他的其他的”的意思。的意思。other 一般放在被修饰词的前面一般放在被修饰词的前面; else 则通常放在疑问词或不定代词则通常放在疑问词或不定代词的后面。的后面。other与与elseDont arrive late for class.Dont run in the hallways.Dont eat in the classrooms.Dont listen to music in the classrooms. Dont fight. 1. get up at 6 oclock2. cant meet friends after school3. do homework after school4. cant watch TV on school nights5. have to be in bed by ten oclock6. have to clean the room and wash clothes7. help mom make dinner Now, lets see rules of the Jones family.（page 74）Dont talk loudly at home Dont watch TV late at night. Dont eat on the bed. Clean the bedroom on Saturday.Saturday Dont sleep too late on Sunday. Dont play guitar late at night.Dont talk loudly at homeDont watch TV late at night.Dont eat on the bed.Clean the bedroom on Saturday.Dont sleep too late on SundayDont play guitar late at night.Now, lets make our owe rules!根据我们学过的知识，小组成员一起制定45个小组规则，并展示给大家。无规矩不成方圆，养成良好的文明习惯对于我们中学生来说，非常重要。健康的作息时间，良好的学习环境，都能使我们更好的成长！
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