Unit 4 section A(Grammar Focus-3c 课件2023-2024学年人教版英语七年级下册

Unit 4 Don’t eat in class. Section A (GF-3c) 1. 不要在走廊里跑。 _ 2. 不要打架。 _ 3. 我们必须准时上课. _ 4. 上课禁止吃或喝东西. ——————————————— 5.上课禁止听音乐。 _ Don’t fight. Don’t run in the hallways. We must be on time for class. Revision 完成下列句子。 Don’t eat or drink in class. Don’t listen to music in class. School rules Don’t arrive late for school. Don’t eat or drink in class. Don’t fight. Don’t bring mobile phones to school. Don’t litter.( 乱扔) Be quiet in class. Listen to teachers carefully. Clean the classroom every day. Be polite( 礼貌的) to teachers. Wear school uniforms You can’t arrive late for school. Can you arrive late for school ? No, we can’t. We must be on time. Must you be on time? Yes, we must. Must you arrive at school before seven o’clock? No, we needn’t. / don’t have to. We have to wear school uniforms. Do you have to wear school uniforms? Yes, we do. No, we don’t. We don’t have to wear school uniforms. She has to eat lunch at school. Does she have to eat lunch at school? Yes, she does. No, she doesn’t. She doesn’t have to eat lunch at school. must 表示主观上必须 have to 表示客观需要不得不 . 1. 不要在楼道里跑。 _ 2. 不要打架。 _ 3. 有什么规则? _ 4. 我们必须按时上课. _ 5. 我们可以在教室里吃东西吗? _ 6. 不能。但我们可以在餐厅里吃东西。 _ 7. 我们可以在上课的时候带帽子吗? _ 阅读Grammar Focus部分,完成下列句子。 Don’t fight. Don’t run in the hallways. What are the rules? We must be on time for class. Grammar Focus 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? 8. 他在学校里必须穿校服吗? _ 9. 是的,必须。/ 不,不必。 _ 10. 你们必须做什么? _ 11. 在图书馆里我们必须保持安静。 _ Yes, he does. / No, he doesn’t. Does he have to wear a uniform at school? What do you have to do? We have to be quiet in the library. 祈使句是表示请求、命令、建议等的句子。句子中通常不出现主语,谓语动词一律用原形。根据句子语气的强弱,句末用感叹号或句号。 祈使句 一、祈使句的肯定式 1. 以行为动词原形开头,简称Do型。 e.g. Come here. 到这儿来。 2. 以动词be开头,简称Be型。 e.g. Be quiet, please. 请安静。 3. 以Let开头,简称Let型。 e.g. Let’s go! 咱们走吧! 二、祈使句的否定式 1. Do型和Be型的否定式是在句首加don’t。 e.g. Don’t sit here. 不要坐在这儿。 Don’t be late. 别迟到。 2. 以let开头的祈使句,其否定式有两种: 一种是直接在句首加don’t,另一种是 “let + 宾语 + not +动词原形+ (其他)”。 e.g. Do