Unit 2 Section A（4a-4c)（课件）2025-2026学年人教版八年级英语下册

The first wealth is health. 八年级下册英语人教版 第三课时 4a-4d Stay Healthy Stay Healthy Stay Healthy Section A What should we do when we don’t feel well? Unit 2 Teaching objectives Learn new words and phrases: knife, clear, pain, what’s more, brightness, environment, cross. Use reflexive pronouns to refer to the subject in a sentence. 1 2 What’s the matter with her? Does she have a fever? Does she have a toothache? Does she have a sore throat? Does she have a backache? What should her do? 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. Read the sentences. Underline the modal verbs for advice and circle the reflexive pronouns. 4a ▶情态动词should，could 后接动词原形， 无人称和数的变化。 ▶should，could 不能单独作谓语，只能和 其他动词一起构成谓语。 ▶否定形式是在其后加not；变为一般疑 问句时，将should，could 提到主语前。 情态动词should和could的用法 情态动词should和could的用法 should的用法 （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？ should的用法 情态 动词 意义 用法 例句         could 可以 用于提出建议，比can语气更委婉 You could ask your teacher for advice.你可以向老师寻求建议。 能；会 表示过去的能力 I could speak English at the age of six.我六岁时就会说英语了。 能； 可以 用于提出要求或请求 —Could you please lend me your bike?请把你的自行车借给我好吗? —Sure./Sorry, I’m afraid not. 当然可以。/抱歉，恐怕不行。 情态 动词 意义 用法 例句         could 用于请 求许可 —Could I use your bike? 我可以用你的自行车吗? —Yes, of course you can./Sorry, you can’t. 好的，当然可以。/对不起，你不可以。 可能 表示推测 You could be right , but I’m not sure.你可能是对的，但我不确定。 能； 可以 4a Read the sentences. Circle 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. What rules can you find out? 反身代词 反身代词 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： 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 用法 反身代词与它所指的名词或代词形成互指关系，在人称或数上保持一致。 （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。 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 用括号内所给单词的适当形式填空。 1. When we read books in the library, we should _______ (keep) quiet there. 2. It’s cold today. I plan to buy a cup of hot coffee to warm ______ (I). 3. We ________ (can) see the stars clearly from our yard when we lived in the countryside. 4. The summer vacation is coming and it is a good time to improve ________ (we) in studies. 5. How beautiful the newly-built park is! Visitors can enjoy _________ (they) when coming there. keep myself could ourselves themselves Practice 按要求完成句子，每空一词（含缩略词）。 1. Lisa should put some medicine on the cut.（改为否定句） Lisa ________ ________ any medicine on the cut. 2. They could plant some flowers in the garden to make it beautiful.（改为一般疑问句并作肯定回答） — ________ they ________ any flowers in the garden to make it beautiful? —Yes, _________ _________. shouldn’t put Could plant they could/can 3. You should arrive at the park at 8:00 a.m.(对画线部分提问) ________ ________ I ________ at the park? 4. Sally could do calligraphy very well last year.(对画线部分提问) ________ ________ Sally ________ very well last year? 5. 当你自己写不完这个故事时，为什么不向老师求助呢？ (汉译英) Why not ask your teacher for help when you can’t finish writing the story ________ _________? When should arrive What could do by yourself 4b Complete the sentences using the correct reflexive pronouns. 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. herself yourself ourselves himself themselves itself 4c Complete the passage with should, shouldn’t, or could. Mobile phones are useful, but you _______ use them wisely. To protect your eyes, every 20 minutes, you _______ rest your eyes and look at something far away. What’s more, you _______ change your screen’s brightness to try and match your environment and make the words on the screen bigger. Of course, you ________ look at your phone just before you go to bed, and you certainly ________ look at it when you cross the road! In fact, you _______ avoid using your phone too often. You _______ listen to music instead of watching videos. You _______ also talk to your friends instead of sending them messages. should should could shouldn’t shouldn’t should could could Do you have a sore throat / bad cold /. . . ? Did you fall from your bike / cut yourself /. . . ? You should / could / shouldn’t . . . Act out an illness or injury. Have the others guess what it is and give advice. 4d Name Problem Advice Liu Peng fall down go home and rest Summary 情态 动词should和could should的用法 用于委婉地提出建议或劝告，意为“应该” 用于表达义务或责任，意为“应该；应当” 表示推测，意为“应该会；可能” 用于责备、命令或要求，语气比较强烈。 用于征求对方的意见，意为“应该；应当” could的用法 表示建议。 用于向对方委婉地提出请求或征求对方的许可。 could 为can 的过去式，表示能力。 表示推测，意为“可能”。 modal verbs (情态动词) reflexive pronouns (反身代词) 反身代词 构成 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 用法 1. 作动词（短语）的宾语或介词的宾语 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。 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。 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 Do you have a sore throat / bad cold /. . . ? Did you fall from your bike / cut yourself /. . . ? You should / could / shouldn’t . . . Make sentences with the following structures. Homework Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 $