Unit 2 Stay Healthy Section A Grammar Focus课件 2025-2026学年人教版八年级英语下册

Section A (4a-4d) Grammar Stay Healthy Unit2 understand and correctly use the modal verbs -should, shouldn't, and could to express suggestions. master the use of reflexive pronouns and use them correctly in context. apply the grammar they have learned to communicate in simulated real-life situations. spark their interest in learning and develop their collaborative and expressive skills. （1）用于委婉地提出建议或劝告，意为“应该” ▶ You should have three meals a day on time. 你应该按时吃一日三餐。 （2）用于表达义务或责任，意为“应该；应当” ▶ Each of us should study hard. 我们每个人都应该努力学习。 （3）表示推测，意为“应该会；可能” ▶ Doing calligraphy should be interesting. 练习书法应该会很有趣。 （4）用于责备、命令或要求，语气比较强烈。 ▶ You shouldn’t be scared of making mistakes. 你不应该害怕犯错。 （5）用于征求对方的意见，意为“应该； 应当”，常用于主语是第一人称的疑问句中。 ▶ What should we do now?我们现在应该做什么呢？ Read the sentences. Circle the reflexive pronouns. 4a What’s wrong? I ate too much last night. Now my stomach aches. You shouldn’t eat so much next time. What’s the matter? I have a really bad toothache. You should see the dentist and get an X-ray. You could eat some soft food for now. How did you hurt yourself? I hurt myself when I fell off my bike. Be more careful next time. If we are not careful, we can easily hurt ourselves. （2）should 基本用法 Grammar Focus 注意 should 在以 why、who、how 等疑问词开头的问句中，表示拒绝、恼怒或惊奇。 e.g. Why should I help him? He’s never done anything for me. 我为什么要帮他呢？他从来没为我做过什么。 情态动词can/ could 表建议 could既是can的过去式，表示过去的能力，又可以做情态动词表示谨慎、客气的建议，否定形式为couldn’t。 情态动词should/ could 表建议 should较强烈的建议＞can＞could一般的建议 Warm up First-Aid(急救) Quick Response Team He fell off his bike. He hurt _______knee badly. He hurt himself badly. What’s the matter? What should he do? his He should/shouldn’t... Grammar Focus We ________ be more careful, or we will make the same mistake in the experiment. A．might B．can C．may D．should 可用语境分析法解答本题。might意为“可能”；can意为“能，会”；may意为“可能”；should意为“应该”。根据句意可知应该更仔细。因此，正确答案是D。 D 典例 点拨 祈使句主语为you Complete the sentences using the correct reflexive pronouns. 4b herself yourself ourselves himself themselves itself 1. The girl cleaned the cut on her arm by __________. 2. Be careful when you’re using the knife! Don’t cut __________. 3. After taking the safety training, we can enjoy __________ in the mountains. 4. Mr. Liu knows how to take care of his health because he used to be a doctor _________. 5. The students are young, but they know how to protect _________. 6. Her clearest memory is not of the race _________, but the terrible pain in her legs the next day. Warm up First-Aid(急救) Quick Response Team She has a very bad toothache. She can’t enjoy _______ food. She might hurt herself by eating too much candy! What’s the matter? What should she do? her She could/should/shouldn’t... 1.— What should she ____? — She ______ take her temperature. 2.— I have a stomachache. — You _________ eat so much next time. do should shouldn’t 【即学即练】 3.—______ you please close the window? —Of course. 4.—I want to go to the zoo. How ______ I get there? —You ______ take the No.5 bus. Could could could could的用法 （1）表示建议。▶ You could eat out tonight. 今晚你可以上馆子吃饭。 （2）用于向对方委婉地提出请求或征求对方的许可。 ▶ Could you take out the rubbish? 你能倒垃圾吗？（提出请求） ▶ Could I go on an outing with you? 我可以和你一起出外游玩吗？（征求对方许可） （3）could 为can 的过去式，表示能力。 ▶ He could ride a bike at the age of five. 他五岁时就会骑自行车。 （4）表示推测，意为“可能”。 ▶ The book could belong to Lily because she likes reading books. 那本书可能是莉莉的，因为她喜欢读书。 1.Earthquakes can be very dangerous. We _______ learn to protect ourselves. A. might B. should C. could D. would B 2._____ you turn down the TV, please? I’m trying to work. A. Could B. Must C. Might D. Should A 3.She ______ play the piano when she was four. could B. should C. would D. might 4.As middle school students, we _____ follow the public rules wherever we go. A. would B. should C. might D. could A B could 基本用法 Grammar Focus 用法 示例 提出建议 You could try reading before bed to relax. 你可以试试睡前阅读来放松。 请求许可 Could we leave early today? 我们今天可以早点走吗？ 推测可能性 The answer couldn’t be wrong. 答案不可能错。 提出请求或要求 Could you help me carry this box？ 你能帮我搬这个箱子吗？ Warm up First-Aid(急救) Quick Response Team What’s the matter? What should she do? She could/should/shouldn’t... Oh no! I ____________ with the knife! cut my finger cut myself 4c Grammar Focus 2、情态动词 could could也可以用于提建议，意为“可以”，给出一种建议或可能性，不带有强制性，语气比can更委婉。 Learn the usage of modal verbs "could”. could的用法 （1）表示建议。▶ You could eat out tonight. 今晚你可以上馆子吃饭。 （2）用于向对方委婉地提出请求或征求对方的许可。 ▶ Could you take out the rubbish? 你能倒垃圾吗？（提出请求） ▶ Could I go on an outing with you? 我可以和你一起出外游玩吗？（征求对方许可） （3）could 为can 的过去式，表示能力。 ▶ He could ride a bike at the age of five. 他五岁时就会骑自行车。 （4）表示推测，意为“可能”。 ▶ The book could belong to Lily because she likes reading books. 那本书可能是莉莉的，因为她喜欢读书。 反身代词是一种表示反射或强调的代词，可译为“本人”“本身”。反身代词与它所指的名词或代词形成互指关系，在人称和数上应保持一致。 它由第一人称、第二人称形容词性物主代词和第三人称人称代词宾格形式在词尾加-self 或-selves 构成。具体见下表： 反身代词 反身代词 数 第一人称 第二人称 第三人称 单数 myself 我自己 yourself 你自己 himself 他自己 herself 她自己 itself 它自己 复数 ourselves 我们自己 yourselves 你们自己 themselves 他（她、它）们自己 Learn the usage of the reflexive pronouns. What’s wrong? I ate too much last night. Now my stomach aches. You shouldn’t eat so much next time. What’s the matter? I have a really bad toothache. You should see the dentist and get an X-ray. You could eat some soft food for now. How did you hurt yourself? I hurt myself when I fell off my bike. Be more careful next time. If we are not careful, we can easily hurt ourselves. Grammar Focus 短语 hurt oneself 伤到自己 teach oneself/learn by oneself 自学 enjoy oneself 过得愉快 by oneself 独自；单独 help oneself (to) ... 随便吃/喝…… come to oneself 苏醒 dress oneself 给自己穿衣服 look after oneself 照顾自己 talk to oneself 自言自语 believe in oneself 相信自己 Learn the usage of the reflexive pronouns. How did you hurt yourself? I hurt myself when I fell off my bike. Be more careful next time. If we are not careful, we can easily hurt ourselves. 反身代词是表示________的代词,可译为_____________________，为加强语气，也常译为____________________ 。反身代词与它所指的名词或代词形成互指关系，在____________上应保持一致。 强调 “本人”、“本身” “亲自”、“自己” 人称和数 反身代词的用法 二、反身代词 Grammar Focus 表示反射或强调的代词叫作反身代词，有人称和数之分。它由第一人称、第二人称的形容词性物主代词和第三人称代词的宾格词尾加 -self 或 -selves 构成，意为“本”“本身”，为加强语气，也可意为“亲自”“自己”。 Learn the usage of the reflexive pronouns. 用法 （1）作动词（短语）的宾语或介词的宾语 She taught herself English. 她自学了英语。 They should learn to look after themselves. 他们应该学着照顾自己。 The little boy went to school by himself. 那个小男孩自己去上学了。 （2）作同位语：反身代词常用作主语或宾语的同位语，用于强调。 He himself built the house. 他自己建造了那座房子。 You should go and ask Tom himself.你应该去问问汤姆本人。 （3）作表语：反身代词可放在be，feel，seem，look 等系动词后作表语，用来描述身体或精神方面的感觉或状态。 Just be yourself. 做好你自己。 1、 反身代词的分类 Grammar Focus 人称 单数（-self） 复数（-selves） 第一人称 myself ourselves 第二人称 yourself yourselves 第三人称 himself themselves herself itself 不定代词 one 的反身代词是 oneself。 4d 反身代词是一种表示反射或强调的代词。有人称和数之分。它由第一人称、第二人称形容词性物主代词和第三人称人称代词宾格形式在词尾加-self 或-selves 构成。具体见下表： 第一人称 第二人称 第三人称 单数 复数 myself 我自己 ourselves 我们自己 yourself 你自己 yourselves 你们自己 himself 他自己 herself 她自己 itself 它自己 themselves 他（她、它）们自己 03 Practice Exercise 07 一、用适当的反身代词填空 1. The boy taught __________ English when he was young. 2. Help _______________ to some fruit, kids! 3. She cut __________ with a knife yesterday. 4. We enjoyed ______________ at the party last night. 5. The little girl can look after __________ very well. 6. Don’t play with fire! You may hurt __________. 7. The machine can work by __________. 8. They finished the work by ________________. himself yourselves herself ourselves herself yourself itself themselves Homework 08 Must-do: 语法过关练习 模仿4a的格式，自己写出3组“健康问题—自我描述—建议”的对话，要求每句必须包含1个建议类情态动词（should/could/shouldn’t）和1个反身代词。 - 示例： A: What’s wrong? B: I fell down and hurt myself in PE class. A: You should put a bandage on it and you could ask the teacher for help. A5Ëزģ¨sc.admin5.com£© A5Ëزģ¨sc.admin5.com£© A5Ëزģ¨sc.admin5.com£© A5Ëزģ¨sc.admin5.com£© A5Ëزģ¨sc.admin5.com£© 66478.61 chi - A5Ëزģ¨sc.admin5.com£© $