Unit4 Don't eat in class. Section A (2d-Grammar Focus)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(2d—GF) Cindy is not only the new student. John is a new student, too. He is asking his classmate , Alice, about the school rules. Cindy Alice John Listen to their conversation and answer. How many rules do they talk about? Try to complete the rules. 1. Don’t _____________ school. They must _________________. 2.They _________ bring music players to school. 3.They always ________________ wear the ____________________. 4.They have to ___________________________ in the library. be late for be on time can’t have to school uniform be quiet Listen and read. Notice the stress. Let’s talk about the school rules. Can you find 4 modal verbs? 1. Can you find 3 modal verbs? 2.情态动词后跟动词有什么特点? 3.What are the differences? 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” How do we change them into negative(否定) ones? can can’t表不允许 must mustn’t表“禁止” have to don’t have to 表“没必要” 无人称和时态的变化 有人称和时态的变化 Let’s do some exercise. 1.学生禁止在河里游泳。 2.Cindy 周末没有必要早起。 3.John不能在教室里打篮球。 Students mustn’t swim in the river. Cindy doesn’t have to get up early on weekends. John can’t play basketball in the classroom. 用have to或has to填空 1.We clean our classroom after school. 2.She make her bed after getting up. 3.It’s late. Mr Beckman go to work by car. 4.Emily and Peter join a music club. They practice guitar every day. have to have to has to has to 1. What is imperatives? 祈使句 2. How many types of imperatives? 起床。 祈使句类型： 小心！ 把那个给我。 吃你的早餐。 救命！ 读这本书。 Get up. Be careful! Give that to me. Eat your breakfast. Help! Read this book. 1.以实意动词原形开头，即 do； 2.以be动词原形开头，通常后接adj. 怎样更有礼貌呢？ 请起床。 祈使句类型： 请小心！ 请把那个给我。 让我们出去吧。 我们不要出去了。 Please get up. Please be careful! Give that to me, Please. Let’s go out. Let’s not go out. 3.Please 用在句首或句末； 4.let+do表建议. 更有礼貌！ 祈使句否定形式： Fight. Don’t fight. Run. Don’t run. Do you know these signs(标志)? Don't talk. Don't eat. Don't listen to music. Don't take photos. =No talking