Unit4sectionAgrammar 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 Grammar focus-3c Learning aims 1. 通过语言活动，学会使用祈使句；会用情态动词can, must 及have to 陈述规章要求； 2. 能使用目标语言谈论和制定学校、图书馆的规则。 3.通过学习和讨论班规校规，认识到遵守班规校规是每个学生的义务，养成遵守校园规则的好习惯。 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. _______________________________ 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. 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？ _____________________________ Can we wear a hat in class? No, we can’t, but we can eat in the dining hall. Can we eat in the classroom? 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. Grammar focus Grammar Focus Read the following sentences and find out the grammar. 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. 祈使句的否定句怎样构成？肯定句呢？ 祈使句的否定句在动词原形前加don’t，表示“不要做什么事”。 祈使句的肯定句通常是以动词原形开头的。 1. 肯定句： • Let me help you. • Let's play tennis. • Be a good boy! • Be quiet in the library. • Open the door, please. ③ Let型： ② Be型： ① Do型： 祈使句的常见句型结构： 肯定句一般以动词原形开头，无时态和数的变化。 动词原形 (+ 宾语) + 其他. Be + 表语 + 其他. Let + 宾语 + 动词原形 + 其他. • No talking. • Never be late again! • Don't let him