(
课件网) S1：We can’t run in the hallways. 我们上课不能和别人说话。 Jack 周内不能和朋友外出闲逛。 你在教室里不能吃东西。 We can’t talk with others in class, Jack can’t hang out with friends on weekdays. You can’t eat in the classroom. sb can do 某人能做 sb can’t do 某人不能做 S2：We have to wear school uniforms at school. 我生病了。我不得不上课缺席。 外面太冷了。Mary不得不穿上夹克。 琳达，你不必七点前到校。 放学后你们不必穿校服。 Jack在家不得不做些什么？ I am ill. I have to be absent from class. It's cold outside. Mary has to put on her jacket. Linda, you don’t have to arrive at school before 7:00. What does Jack have to do at home？ have/ has to do 不得不做某事 don't/ doesn’t have to do 不必做某事 变疑问，前+ do/does S3：Sally mustn’t wear her own jacket at school. 我们在学校必须对老师和同学有礼貌。 我们上课禁止用手机。 我们禁止在动物园喂动物。 We must be polite to teachers and classmates. We mustn’t use phones in class. We must feed animals in the zoo. sb must do sth 必须做 sb mustn’t do sth 禁止做 S4：If we follow rules , we can have a happy and safe shcool. 如果你不准时完成作业，老师会不高兴的。 如果你对熊猫感兴趣，你可以来四川看熊猫。 If you don’t finish your homework on time, teachers will not be happy. If you are interested in pandas, you can visit them in Sichuan. If 引导条件状语从句， 主句用 sb can/ sb will 表将来。 S5：No eating or drinking 禁止停车！ 禁止拍照！ 禁止投喂！ 禁止吃喝东西！ No parking! No photos! No feeding! No eating or drinking! No + N / V-ing! 禁止...! S6：There are too many rules in my life. 动物园里有各种动物。 公园里有太多人了。 瓶子里有很多水。 这里有一些建议给你。 There are all kinds of animals in the zoo. There are too many people in the park. There is a lot of water in the bottle. Here is some advice for you. There be N + 介词短语. 哪里有什么。 too many + N 可数复数 too much + N 不可数 S8：class rules 在校期间，我禁止上课使用手机。 当你不得不上课要缺席，你必须告诉老师。 我们在教室里不能吃零食。 如果我们要问老师问题，我们不得不举手。 At school, I mustn’t use mobile phones in class. When you have to be absent from class, you must tell the teacher. We can't eat snacks in the classroom. If we want to ask the teacher a question, we have to raise/put up our hands. S7：home rules 每天早上，我起床后必须整理床铺。 放学后我不得不先完成作业。 我只能在练习完钢琴后打篮球。 工作日我不能和朋友闲逛。 我每天必须清理我的房间。 工作日我不能看电视。 我甚至周末不能休息，因为我每天都要练习小提琴。 Every morning, I have to make my bed after I get up. I have to finish my homework first after school. I can only play basketball after I practice the piano. I can't hang out with my friends on weekdays. I have to clean my room every day. I can't watch TV on weekdays. I can't even relax on weekends because I have to practice the violin every day. S9：school rules 我不得不冲向学校，因为我不能迟到。 在校我禁止穿我自己的衣服，反而，我必须穿校服。 在食堂我们禁止插队。相反，我们必 ... ...
