Unit 7 Grammar课件 2025-2026学年沪教版七年级英语下册

该初中英语课件聚焦感叹句和祈使句语法知识，通过情感词汇、表情图标及角色模型对比（如钱学森、张桂梅的陈述句与感叹句）导入感叹句，结合博物馆情境展开；祈使句从博物馆规则切入，用路上、图书馆等真实场景举例，搭建从感知到结构再到应用的学习支架。 其亮点是以情境化任务（博物馆参观、图书馆规则）和游戏互动（Game time情境应用）为主线，通过对比分析（what/how区别）、公式总结（感叹句结构）及判断方法（找主语和名词）培养学生语言能力和思维品质。实例丰富，如感叹句用角色模型强化情感表达，祈使句结合生活规则提升应用能力，助力学生高效掌握语法，为教师提供结构化、互动性强的教学资源。

Unit 7 Role models of our time P4-Grammar Imperatives & Exclamations Part 1 exclamations What are the feelings? Try to show those feelings. Before-learning We can use adjectives to show our feelings. What else can we use to show our feelings? Exclamations 感叹句 Qian Xuesen is a great scientist. What a great scientist Qian Xuesen is! Compare the descriptions of the role models Which sentences show stronger feelings? Zhang Guimei worked tirelessly. How tirelessly Zhang Guimei worked! When we want to express feelings or emphasize certain things, we use exclamations（感叹句）. Today Tommy goes to the museum with his classmates. They can enjoy a lot of wonderful things there! Try to use exclamations to talk about them. A wonderful trip to the museum What big dinosaurs they are! What a beautiful crown (王冠) it is! crown While-learning A wonderful trip to the museum How excellent our Earth is! How carefully we watch! What a wonderful trip it is! What great fun the students have! What big dinosaurs they are! How excellent our Earth is! 1. When do we use exclamations (感叹句)? Sometimes we use sentences with emphasis and strong feelings. These sentences are called exclamations. 我们可以用感叹句来表达强烈的感情。 What big dinosaurs they are! What a beautiful crown it is! What a wonderful trip it is! 2. Structures of exclamations (感叹句)--what What adj. + n. subject + v. ! (a/an) + + + What + (a/an) + 形容词 +名词（单数） + 主语+谓语！ What great fun the students have! n. (单数). What + 形容词 +名词复数(不可数) + 主语+谓语！ How excellent our Earth is! How carefully we watch! 3. Structures of exclamations (感叹句) --how How adj. /adv. subject + v. ! + + How + 形容词/副词 + 主语+谓语！ 系动词 实义动词 4. Difference between what and how exclamation What big dinosaurs they are! What a wonderful trip it is! What + (a/an) + 形容词 +名词 + 主语+谓语！ How excellent our Earth is! How slowly we walk! How + 形容词/副词 + 主语+谓语！ 除了主语外还有一个名词！！！ 5. Top tip ________ interesting book it is! 2. ________ interesting the book is! 3. ________ surprising news it is! 4. ________ surprising the news is! Please fill in the blanks with what or how. What an How How What （4）若名词为可数名词单数，在What后加a/an. （1）找主语和谓语动词; （2）判断主语前面是否有名词; （3）若有名词，用What; 若没有，用How; 判断 方法 主语在谓语动词前! 1 Rewrite the sentences below using exclamations with what or how. (1) He is a great doctor. ________________________________________ (2) Anna has a challenging job ________________________________________ ________________________________________ (3) My teachers were really wonderful ________________________________________ ________________________________________ (4) A social worker's job is very important. ________________________________________ Practice and drill What a great doctor he is! What wonderful teachers I had! What a challenging job Anna has! How wonderful my teachers were! How challenging Anna’s job is! How important a social worker’s job is! Part 2 Imperatives I plan to take you to visit the Guangdong Museum. Before we go, here are some rules to follow! What sentence pattern should you use to talk about rules? Imperatives 祈使句 Before-learning On the way to the museum, please follow the instructions （指示）. Let's walk one by one. Stop when the red light is on. Don't play on the road. When they walk into the Library, the librarian welcomes them. There are some library rules you need to follow. Be quiet. Don’t litter in the library. Don’t eat in the library. Please treat books nicely. Don’t bring pets to the library. Keep quiet. No photos. Don’t touch. In the museum, they will see these signs. They are IMPERATIVES. Read the rules again and pay attention to the expressions. Be quiet. Don’t litter in the library. Don’t eat in the library. Please treat books nicely. Don’t bring pets to the library. Keep quiet. No photos. Don’t touch. Imperatives （祈使句）用法 Let's walk one by one. Stop when the red light is on. Be quiet. Don't play on the road. Don't touch. Don't take photos. When do we use these sentences? We use these sentences to give orders or advice. 祈使句常用于给出指令、命令或建议。 There are positive and negative imperatives. 祈使句有肯定式和否定式两种。 While-learning Structures of imperatives （祈使句）结构 Don't play on the road. Don't touch. Don't take photos. Positive structure:肯定式 V原形+其他部分 Let's walk one by one. Stop when the red light is on. Be quiet. Don't/Do not +动词原形+其他部分 Negative structure:肯定式 Game time What should you say in these situations (情形)? Lucy is sleeping in class. Daisy was late for school. Tom and Mary are crossing the road. Two boys are shouting loudly in the classroom. Practice and drill Game time What should you say in these situations (情形)? Lucy is sleeping in class. Don't sleep in class. Game time What should you say in these situations (情形)? Daisy was late for school. Don't be late. Game time What should you say in these situations (情形)? Two boys are shouting loudly in the classroom. Don't shout loudly in the classroom. Game time What should you say in these situations (情形)? Tom and Mary are crossing the road. Be careful when crossing the road. Careful！ 社交礼仪常识：在生活中，用祈使句表示请求时加上please会更礼貌哦。当please用在句末时，通常用逗号与其余部分隔开。 祈使句用来表达命令、请求、劝告、警告、禁止。 祈使句通常省略主语。 祈使句的动词为原形。 Do型 Do sth. Don’t do sth. Be型 Be+adj. Don’t be+adj. Let型 Let sb. do sth. Don’t let sb. do sth. /Let sb. not do sth. No型 No+doing/ sth. Summary 祈使句 Here are some signs in the theatre. Use imperatives and the expressions below to describe what the signs mean. Practice makes perfect! bring pets put ... in silent mode take photos eat or drink put ... in the bin (1) ____________________________________________ (2) ____________________________________________ (3) ____________________________________________ (4) ____________________________________________ (5) ____________________________________________ Please don’t eat or drink. Please put rubbish in the bin. Don't take photos. Don't bring pets. Please put your phone in silent mode. Thank you! $