Unit 7 Role models of our time（ Grammar）课件-2024-2025学年沪教版英语七年级下册

Unit 7 Role models of our time Lesson 3 Grammar 目录页标题 Learning objectives 通过本课时学习，学生能够： 1. 理解感叹句和祈使句的结构和意义。 2. 归纳并掌握感叹句和祈使句的相关语法知识。 3. 通过练习，正确运用感叹句和祈使句，使用感叹句表达强烈的感情或强调某些事情，使用祈使句来发出命令或给出建议。 4. 在角色扮演环节中，进一步理解时代楷模的品质，增强向榜样学习的意识。 重点 重点 重点 Read and answer He is a great and brilliant scientist. He worked very hard every day. Which sentences show stronger feelings? What a great and brilliant scientist he is! How hard he worked every day! vs vs Exclamations When we want to express strong feelings or emphasize certain things, we use exclamations. Read and sum up What a brilliant scientist Qian Xuesen was! What an incredible role model he is! What important contributions he made! What great wisdom Qian Xuesen had! What noun phrases subject v. What + noun phrases + subject + v.! Read and learn What+a/an+形容词+可数名词单数+(主语+谓语)! What+形容词+可数名词复数+(主语+谓语)! What+形容词+不可数名词+(主语+谓语)! What an outstanding pioneer Qian Xuesen was. What a brilliant scientist Qian Xuesen was! What significant contributions he made. What remarkable achievements he accomplished! What great wisdom Qian Xuesen had! What strong loyalty he showed! Complete the sentences 1. __________ exciting game we watched! 2. __________ bad news it is! 3. __________ fresh air there is in the mountains! 4.__________ nice day it is! 5. _________ beautiful flowers they are! What a What What What an What Complete the sentences with what, what a, and what an. Read and sum up How selfless Zhang Guimei is! How hard-working she is! How tirelessly she works! How hard she works! How adj./adv. subject v. How +adj./adv.+subject+v.! Read and learn How + 形容词 / 副词 + (主语 + 谓语) ! How + 主语 + 谓语! How kind Zhang Guimei is! How nice these flowers look! How brave she is! How hard she works! How fast she is swimming! How time flies! How I miss my mum! Choose the correct answer 1. ______ happy the children were! A. What an B. What C. How an D. How 2. ______ carefully she is listening! A. How B. How an C. What D. How a 3. ______ inspiring the story is! A. What B. What an C.How D. How an Read and learn 找到主谓，观察主谓前面部分。如果是名词（短语），则用what；若是形容词或副词，则用how。 What brave doctors they are! How lucky we are! What an amazing collection they have! How well they designed it! What a cool building it is! or What How Read and learn 一断：在谓语动词后边断开，使句子分为两部分。 二去：去掉so,very，too，much，quite 等修饰语。 三加：第二部分若是副词、形容词，就加上how；若是一个名词(短语)，就加上what。 四换位：将断开后的第一部分和第二部分位置互换。 五感叹号：句末别忘了加上感叹号。 陈述句改为感叹句：一断，二去，三加，四换位，五感叹号。 The boy is running so fast. The boy is running so fast. The boy is running fast. How fast the boy is running. How fast the boy is running! How＋ Rewrite the sentences What a great doctor he is! What a challenging job Anna has! How wonderful my teachers were! How important a social worker’s job is! Rewrite the sentences below using exclamations with what or how. Choose the correct sentences 1. What beautiful flowers they are! 3. What a bad weather it is! 5. What strong the wind blows in winter! 2. What an interesting story it is! 4. How hard they are working now! How strongly What Read the sentences, choose the correct sentences and correct the false ones. Summary Exclamation Definition Rules for using “what” and “how” in exclamations. 感叹句用于表达强烈的感情或强调某些事情。通常以“what”和“how”开头。句末通常有感叹号。 What + a/an+形容词+可数名词单数+(主语+谓语)! What + 形容词+可数名词复数+(主语+谓语)! What + 形容词+不可数名词 +(主语+谓语)! How + 形容词 / 副词 + (主语 + 谓语) ! How + 主语+谓语! How to change declarative sentences to exclamations. 一断，二去，三加，四换位，五感叹号。 Read and talk What kind of sentences are they? Imperatives When do we use imperatives? We use imperatives to make a request and give orders or advice. Be Do Let Be动词+形容词： Please be quiet for a moment. Be careful. Let+宾语+动词原形： Let’s grow some trees. Let me help you. 实义动词原形开头： Remember to turn off the lights. Please treat books nicely. How many kinds of imperatives do you know? Think and talk Positive imperatives. Be Do Let Don’t be worry. Don’t be so careless. Don’t let anyone come in. Let’s not have a rest. Don’t lie to me. Don’t talk loudly in the library. How can we change positive imperatives into negative imperatives? Think and talk Negative imperatives No +n./v-ing. (表示禁止做某事) No photos!/ No taking photos! Don’t Look and describe Here are some signs in the theatre. Use imperatives and the expressions below to describe what the signs mean. Please don’t eat or drink in the theatre./ No eating or drinking. Please put rubbish in the bin. Don’t take photos in the theatre./ No taking photos. Don’t bring pets to the theatre./ No pets here. Put your phone in silent mode. We can use please with imperatives. It’s more polite. Summary Imperatives Definition Positive and negative imperatives 祈使句用来表示请求，发出命令或给出建议。祈使句有肯定句和否定句。 肯定祈使句：Be+形容词；实义动词原形开头；Let+宾语+动词原形。 否定祈使句：Don’t+be动词+形容词；Don’t+实义动词原形；Don’t+let+宾语+动词原形；Let+宾语+not+动词原形；No+名词/动名词. Complete the sentences _______________ (not be) noisy in the library. _______________ (not forget) to take your umbrella. _______________ (help) your little brother with his homework. _______________ (turn) off the lights when you leave the room. _______________ (not be) afraid to speak English. Let’s ___________ (argue) about it anymore. _______________ (play) computer games for too long. Don’t be Don’t forget Help Turn Don’t be not argue Don’t play Complete the sentences using imperatives. Good day. Thank you for letting me interview you today. What’s your job? What a great job! How do you help them? ... Role-play Work in pairs and do a role-play activity: “Interview your role model”. Use exclamations to express your feelings. You may use imperatives if necessary. I’m a social worker. I help old people in the community. Homework 1. Review the grammar rules of exclamations and imperatives. 2. Make five sentences with exclamations to describe a person you admire. 3. Make five sentences with imperatives to talk about the school rules. Bye-bye! $$