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课件网) Unit4 Don’t eat in class. Section A Grammar-3c Alice John Things they have to do Things they can’t do They must be on time. They can’t be late for class. They have to wear school uniforms. They can’t bring music players to school. They have to be quiet in the library. 从2d中找出下列短语 1.我在学校的第一天 2.有许多规章 3.其中一些规章 4.上课迟到 5.要准时 6.带...到... 7.必须，不得不 8.穿校服 9.安静 my first day at school There are a lot of rules. some of the rules. be late for class = arrive late for class be on time bring sth. to... have to wear the school uniform be quiet Let’s watch a video about David. Lead in There are so many rules that David must follow. Can you find these rules Let’s look at these sentences. No yelling! Don’t chew gum in class! No pushing! No running! Sit down! Raise your hands! Keep your hands to yourself! Wait your turn! Lead in What do they have in common No yelling! Don’t chew gum in class! No pushing! No running! Sit down! Raise your hands! Keep your hands to yourself! Wait your turn! 缺少主语 表示命令、请求、劝告、警告和禁止等的句子。 祈使句 imperative sentence Library Rules Can they use the computer Yes, they can. Does he have to sit well Yes, he does. Can he talk loudly on the phone No, he can’t. Library Rules Don’t talk. _____ _____ _____ Write the rules for the school library. Don’t listen to music. Don’t eat. Don’t take photos. 3a Library Rules We _____ be quiet. We _____ eat. _____ listen to music. _____ run. ... must/ have to can’t Don’t Don’t make DOs&DONs at least 6 rules =Don't speak aloud =Don't run around =Don't be late for returning books =Don't go against the librarian =Don't take anything for granted =Don't behave badly =Don't break the rules Cindy John Being new students, Cindy and John have learned school rules. Alice is testing what they’ve learned. Alice Don’t run in the hallways. Don’t fight. Cindy John Alice We must be on time for class. Can we eat in the classroom No, we can’t, but we can eat in the dining hall. What are the rules Can we wear a hat in class No, we can’t. Cindy John Alice Does he have to wear a uniform at school Yes, he does. What do you have to do We have to be quiet in the library. Let’s review the sentences! Can you find 3 modal verbs What are the differences must/can/have to +V原型 can表许可 must 强调主观意愿，表“必须” have to 强调客观意愿，表“不得不” 2. 句子结构 (1) 肯定句：_____+ 其他 在餐厅里吃东西。 _____ 在音乐教室里听音乐。 _____ 骑自行车去上学。 _____ Ride the bike to school. Eat in the dining hall. 动词原形 Listen to music in the music room. 祈使句 表示请求、命令、劝说、警告等。 在祈使句中，通常省略句子主语“you”。 (2) 否定句: _____ + _____+ 其他 不要和同学们打架。 _____ 不要在教室里打篮球。 _____ Don’t fight with your classmates. Don’t play basketball in the classroom. Don’t 动词原形 以let引起的句子 ____+ sb.+动词原形 让我们步行去上学吧。 _____ (4) No + 动词-ing形式。表示“禁 ... ...
