Unit4SectionA(2d-3c).ppt

* Don’t eat in class. Don’t arrive late for class Don’t sleep in class. Don’t draw on the wall. Don’t talk. Don’t play sports in the classroom. Don’t fight. Don’t listen to music in the classroom. school rules 1. Is John new at school? ___________ 2. Are there many rules at school? ______________ 2d Read the conversation in 2d and answer the questions. Yes, he is. Yes, there are. 3. Can he bring music players to school? _______________ 4. Do they always have to wear the school uniform? _______________ No, he can’t. Yes, they do. 2d Role-play the conversation. 1) sb. be late. 某人迟到了. I’m late. 我迟到了。 2) be late for… ……迟到了 Don’t be late for class. 上课不要迟到。 1. late 迟到的；晚的 1) listen 听；用来提醒某人注意，后面不跟事物。 Listen! Who’s singing in the classroom? 听！谁在教室里唱歌？ 2) 如果后面跟要听的事物，应跟介词to再跟事物。 Listen to our teacher carefully. 认真听老师讲。 2. listen 的用法； 3. have to与must 1) have to意为“必须做某事”强调“客观需要” They have to wear school uniforms every day.他们每天必须穿校服。 2) must 意为“必须”强调主观上的愿望 It’s late. I must go home now.天晚了。现在我必须要回家。 观察句子中have to 的使用，可知have to是由于客观需要而必须、不得不做某事。 结构: 主语＋have?to＋动词原形＋其他 1）一般现在时, 主语是第三人称单数时, 用has?to。 2) 否定形式: 主语＋don’t?have?to＋动词原形＋其他。 一般现在时, 主语是第三人称单数时,用doesn’t?have?to。 Nick? ? wear?a?uniform. 尼克不必穿制服。 doesnt?have?to 练一练：用have to, must 填空 1. It’s cold outside. We ______ stay at home. 2. We ____ be good with our parents. have to must Don’t run in the hallways. Don’t fight. What are the rules? 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. Can we wear a hat in class? Yes,we can. / No,we can’t. Does he have to wear a uniform at school? Yes, he does. / No, he doesn’t. What do you have to do? We have to be quiet in the library. Grammar Focus 情态动词can表示能力 “会, 能” Can?you?play?the?guitar?? 你会弹吉他吗？ I?can?dance?and?sing.?我能跳舞又能唱歌。 结构: 主语＋can＋ have to意思是“必须、不得不”, 它侧重于客观 上的必要和外界的权威。 结构: 主语＋have?to＋ do动词原形 do动词原形 1. 不要在楼道