ID: 23942379

Unit 2 Home Sweet Home 第3课时 Section A grammar focus 课件(共31张PPT) 人教版(2024)八年级上册

日期:2025-09-23 科目:英语 类型:初中课件 查看:23次 大小:6362730B 来源:二一课件通
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(课件网) Unit 2 Home Sweet Home Section A (Grammar focus) Learning objectives Free talk What might you say in the situations(情况) shown in the pictures What are they doing Free talk What might you say in the situations(情况) shown in the pictures What are they doing Yes or No! Can you to help me clean the room? Could I has a glass of water? Could you please to pass the salt Can he able to drive a car Read the questions with can or could. Notice how they are answered. Grammar Focus Could you please sweep the floor Yes, Dad. I’ll do it at once. Could I hang out with my friends after lunch Sorry, Jim, but you have to pack up your things first. Can I put some flowers on the table Yes, good idea! Can you help me hang up the photos Sure. / No problem! 情态动词can和could Grammar Focus 定义:情态动词can和could可用于向对方提出请求或请求对方的许可,用于疑问句中,could要比can语气委婉、有礼貌。其答语没有固定的形式,但要符合上下文的语境。 情态动词can和could Grammar Focus 1)表示委婉地请求别人做某事。 常用句型 Can/Could you (please) do sth. 肯定答语 Yes, sure./Yes, I can./Of course, I can./No problem./With pleasure. 否定答语 可先拒绝,在说明理由:Sorry,I can’t. I have to .../Sorry, I’m going to.../I’m afraid I can’t. I have to... 情态动词can和could Grammar Focus 1)表示委婉地请求别人做某事。 —Can you make your bed 你能整理一下你的床铺吗? —Yes , sure. 好的,当然可以。 —Could you please water the flowers 请你浇花好吗? —Sorry , I can’t. I’m going to do my homework. 抱歉,我不能。我要做我的家庭作业。 情态动词can和could Grammar Focus 2)表示委婉地请求别人允许自己做某事。 常用句型 Can/Could I do sth. 肯定答语 Yes, you can./Yes,please.等 否定答语 Sorry, you can’t. You have to .../I’m afraid you can’t. You have to...(说明理由)等 情态动词can和could Grammar Focus 2)表示委婉地请求别人允许自己做某事。 —Can I sit here 我可以坐这里吗? —Yes , you can. 是的,你可以。 —Could I borrow your bike 我可以借用你的自行车吗? —Sorry , you can’t. I’m going to ride it to work. 抱歉,你不能。我要骑它去上班。 情态动词can和could Grammar Focus 3)“Could you please do sth. ”的否定形式 其否定形式为“Could you please not do sth. ”表示委婉地批评地方,意为“请不要做某事好吗?” —Could you please not put your bike here 请不要把你的自行车放在这里好吗? —Sorry , I’ll take it away at once. 抱歉,我马上把它推走。 情态动词can和could Grammar Focus 3)“Could you please do sth. ”的否定形式 注意: ①“Could you please do sth. ”和“Could I do sth. ”这两个句型的答语中一般都避免使用could。 ②句中please还可放在句尾,其前用逗号和前面内容隔开。 情态动词can和could Grammar Focus 【拓展】 ①can和could可表示能力,意为“会,能”,其否定形式分别为can’t和couldn’t,意为“不能,不会”。 e.g. I can sing English songs.我会唱英文歌曲。 —Can you speak English 你会讲英语吗? —No, I can’t.不,我不会。 情态动词can和could Grammar Focus 【拓展】 ②can和could可表示建议,意为“可以” e.g. We can eat in a restaurant if you like ... ...

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