Unit 3 课时5 Grammar in Use（课件）英语仁爱科普版2024八年级上册

Big Question: How do you keep healthy? In this unit, you will learn to: talk about health. live a healthy life. use a chart to make comparison and contrast. use the reading strategy of taking notes. make a poster about healthy lifestyles. Exploring the Topic UNIT 3 Period 5: Grammar in Use Prefixes & need Big Question: How do you keep healthy? In this unit, you will learn to: talk about health. live a healthy life. use a chart to make comparison and contrast. use the reading strategy of taking notes. make a poster about healthy lifestyles. 识别并理解否定前缀（如dis-, un-, im-, non-, mis-）在单词中的含义及其在健康话题句子中的用法；掌握“need to do”、“don‘t need to do”和“needn’t do”的结构和语法规则。（学习理解） 正确运用否定前缀单词（如dislike, uncomfortable, impossible）完成句子填空练习；在对话情境中应用“need”相关结构表达必要性或建议。（应用实践） 1 2 3 迁移所学语法知识，在健康习惯话题中创造性地表达个人观点或提出改进建议。（迁移创新） 学习目标 通过本节课的学习，学生能够： Contents 1 2 3 4 Lead in 5 6 7 Presentation Practice Production Summary Exercise Homework 1 Lead in 健康问答大挑战 挑战规则： 快速判断出现的句子观点是否正确。出现正确的句子，双手竖大拇指；出现错误的句子，交叉双臂于胸前。 It is healthy to eat hamburgers every day. Why? Staying up late is a proper habit. Why? It’s impossible to feel great without enough sleep. Feeling sleepy after staying up is comfortable. Why? We need to drink enough water. You needn't brush your teeth twice a day. Why? People need to exercise regularly. 1. It is healthy to eat hamburgers every day. 2.Staying up late is a proper habit. 3.Feeling sleepy after staying up is comfortable. 4.It’s impossible to feel great without enough sleep. 6.You needn't brush your teeth twice a day. 5.We need to drink enough water. 7.People need to exercise regularly. Let’s learn more about healthy habits. Prefixes non-, dis-, un-, mis-, in- and im- 2 Presentation Activity 1 Look at the pictures and read the sentences. Pay attention to the words in bold. Grammar in Use Prefixes non-, dis-, un-, mis-, in- and im- He became a non-smoker in order to keep healthy. Sea food may seem to disagree with some people. Hamburgers may taste delicious, but it is unhealthy to eat too many of them. It is incorrect to do sports with an empty stomach. nonsmoker disagree unhealthy incorrect What word can you find in these words? smoke smoker non agree dis healthy un correct in We put “non-, dis-, un-, in-” in front of the words, these are called “prefix”. nonsmoker disagree unhealthy incorrect The prefixes usually express the opposite meanings of the original words. What else prefixes can you think of? impossible misplace Let’s see more examples. impossible misplace nonsmoker disagree unhealthy incorrect nonstop nonsense dislike discover disappear unhappy unlucky uncomfortable inexpensive informal impatient impolite misfortune misunderstand 3 Practice Activity 2 Fill in the blanks with the correct form of the given words. dislike uncomfortable impossible nonstop misplace 1. It is ______________ to keep healthy without good living habits. 2. Don’t eat too much junk food, or you will feel _______________. 3. She __________ ice cream because it’s bad for her teeth. 4. My sister’s room is tidy, and she never __________ her things. 5. We felt very tired after a long and ________ walk. impossible uncomfortable dislikes misplaces nonstop living n. 生活方式 adj.生活的 Activity 3 Read the text and fill in the blanks with the words in the box. impatient nonsense uncomfortable improper A(n) ____________ habit does a lot of harm to people. For example, staying up late is very bad for people’s health. Clearly, they will feel sleepy and _______________ the next day. What’s worse, people will become _____________ and they may even forget important dates. Sometimes, they will speak ___________ because their minds are not clear. To get rid of the habit, people need to sleep early and do some sports. A healthy body and a clear mind will make them feel good all day. improper uncomfortable impatient nonsense be bad for 对……有害 sleepy adj. 困倦的 What’s worse 更糟糕的是 clearly adv.明显地 get rid of 摆脱 need to do / don’t need to do / needn’t do 2 Presentation Activity 3 Read the text and fill in the blanks with the words in the box. What’s the matter with you? You can watch the games online the next day. You needn’t stay up. You need to take care od yourself. I stayed up to watch the soccer game last night. I need to get some sleep now. OK. Thank you for your advice. I stayed up to watch the soccer game last night. I need to get some sleep now. You can watch the games online the next day. You needn’t stay up. You need to take care od yourself. need为实义动词，表示需要，其后加不定式。有人称变化 肯定结构：need to do sth. 需要做某事 否定结构：don’t need to do sth.不需要做某事 need还可做情态动词，其后加动词原型,无人称变化 肯定结构：need do sth. 需要做某事 否定结构：needn’t do sth.不需要做某事 3 Practice Activity 2 Complete the table and learn how to use need. Need Example need to do We need ________ (get) enough sleep every day. don’t/doesn’t need to do The girls is getting well and she doesn’t need _______(take) the medicine now. needn’t do Kangkang needn’t __________(do) the work today. He can hand it in tomorrow. to get to take do Activity 3 Read the sentences and circle the correct words. 1 2 3 4 5 He (need/ needs) to take a break now. He looks so tired. We (need/ needn’t) to play sports every day to keep healthy. You (needn’t/ don’t need) store so much food in the fridge. You (needn’t/ don’t need) to worry about your grades. Just relax. Both Maria and Meimei (need/ needn’t) to lose weight. lose weight 减肥 fridge n.冰箱 4 Production Work in group, someone will be the doctor and some will be the patient. Then finish the diagnosis(诊断). (Pay attention to prefixes and need) What’s the matter with you? I eat a lot of hamburgers and ice cream. I feel uncomfortable. Your improper eating habit makes you feel uncomfortable. You need to eat more vegetables. You needn't eat junk food every day." 【诊断词汇库】 Symptoms: uncomfortable, impossible, impatient, improper, unhealthy Bad habits: misplace, dislike, stay up, eat junk food... 【处方句型】 You need to... / You don’t need to... / You needn’t... Patient A: Always eats hamburgers and ice cream (feel uncomfortable) Patient B: Stays up late playing games (impatient at school) Patient C: ever exercises (unhealthy body) Patient D: Leaves books everywhere (misplaces things often) … 5 Summary 【核心词汇】 带否定前缀的形容词：unhealthy incorrect impossible uncomfortable nonstop impatient improper 带否定前缀的动词：dislike misplace disagree 带否定前缀的名词：nonsense non-smoker 【核心短语】 take care of 照顾 stay up 熬夜 get enough sleep 充足的睡眠 【语法知识】Need 的用法规则： 1）当need为实义动词,表示 “需要”时，其后用不定式。 肯定结构：主语 + need(s) to do（e.g. He needs to take a break.） 否定结构：主语 + don’t/doesn’t need to do（e.g.You don’t need to worry.） 疑问结构：Do/Does + 主语 + need to do?（e.g., Does she need to come?) 人称变化：第三人称单数用 needs（e.g., Kangkang needn’t do... 无变化） 2）当need为情态动词时，其后使用动词原形，无人称变化。 主语 + needn’t do（e.g. You needn’t store food.） 6 Exercise 一、选词填空 dislike, uncomfortable, impossible, nonstop, misplace, impatient, nonsense, improper 1) It's _________ to finish this project in one hour! We need more time. 2) Wearing _________ clothes to a formal party might make others feel strange. 3) After sitting on the hard chair for three hours, I felt very _____________. 4) The baby cried _________ for almost an hour. Her parents were worried. 5) I _________ getting up too early on weekends. I love sleeping in. 6) If you are always _________, you might make mistakes easily. 7) I often _________ my keys. It's a bad habit I need to change. 8) Don't talk _________! We need to focus on solving this problem. impossible improper uncomfortable nonstop dislike impatient misplace nonsense 二、找出错误并改正。 下列每个句子中都有一处与“need”相关的语法错误，请找出并改正。 1) He need to get more sleep. 2) You needn't to clean the room. I did it this morning. 3) Does your brother needs to wear glasses? 4) They don't need worry about the weather. We have umbrellas. 5) She needn't takes the bus. Her father will drive her. needs needn’t need don’t need to needn’t take 巩固性作业： 使用否定前缀词汇造句，至少五句。 拓展性作业： 健康倡议卡：设计一张“健康生活倡议卡”。内容需包含： 1-2个使用否定前缀词汇描述的不良生活习惯 (如：Staying up late is unhealthy. 或Eating too much junk food is improper.） 2-3条使用“need to do”或“don't need to do/needn't do”句型提出的具体健康建议 (如：We need to do sports regularly. 或 You needn't eat sweets every day.) Thank you ! $$