Unit 9 Section A（Grammar Focus～3c）课件 2024-2025学年人教版八年级英语上册

Unit 9 Can you come to my party? Section A (Grammar Focus~3c) LEAD IN IN Christmas is coming.Anna is going to have a party and invite her friends to come. 学习目标 能熟练表达邀请并用不同的方式来接受或拒绝邀请，并说明原因。 能熟练运用情态动词can, must, have to, might。 Write down the colorful weekend activities in English. ____________ ____________ ___________ ___________ ____________ ____________ ___________ ___________ study for a test have a piano lesson visit his aunt surf the Internet go to the doctor play basketball go to the cinema climb mountains Revision 4 Can you come to my birthday party? A: Can you come to my birthday party? B: Sure, I’d love to./ I'm sorry , I can't . /I'm afraid not./ Sorry,I’m not free/available. I have to / must /might have to.... Revision 5 Practice the following conversations. Can you play tennis with me tomorrow afternoon? Sure. I’d love to. I’m afraid （恐怕）not. I have the flu.（理由） Revision New Year’s Day is coming.I will have a New Year’s Party at home. Can you come to my party? Yes, I’d love to. Sorry, I have to... How to accept? Sure, I’d love to. It sounds great. Sure, thanks for asking. Sure, thanks for your invitation. That sounds great. Sure, I’d love to.(to不能省略) I’m afraid not. Sorry, I’m not free/available. Sorry, I can’t. Accept the invitation Refuse the invitation I’d like to, but I have to/must ... Thanks for asking/your invitation. 礼貌地发出邀请： Can you come to…? Could you come to...? Would you like to come ...? 接受邀请： Sure, I’d love to. Sure, it sounds great. … 委婉拒绝邀请： Sorry, I can’t. I have to …(理由) I’m sorry. I must ...(理由) I’m sorry. I’m not available. I ...(理由) I’d love to come, but I’m afraid(恐怕) I can’t. I ...(理由) Can you come to my party on Saturday? Sure, I’d love to. Sorry, I must study for a math test. Can you go to the movies tomorrow night? Sure. That sounds great. I’m afraid not. I have the flu. Can he go to the party? No, he can’t. He has to help his parents. Can she go to the baseball game? No. she’s not available. She must go to the doctor. Can they go to the movies? No, they’re not free. They might have to meet their friends. Grammar Focus 用can发出邀请 用can打听第三方是否能参加... 接受邀请 拒绝邀请 说明理由 Observe 新课讲授 情态动词can的用法 She can dance. He can draw. They can swim. 表示“能、会”,指脑力或体力方面的“能力”。 can+动词原形 can没有人称和数的变化 情态动词can的用法 Can I ask a question? 表示“可以”，常用于口语中，表示请求或许可。 may也表示“许可”，用于较正式场合。 May I come in? 注意：表邀请时，could较can更礼貌、委婉。 句式：Can+主语+动词原形+其他? 例：你能来参加我的聚会吗？ Can you come to my party? can 可以表示邀请，具体用法如下： How to accept（接受） an invitation. Yes, I’d love/like to. Certainly, I’d love/like to. Sure, I’d love/like to. Sure. That sounds great. Thanks for your invitation. I will go. 答语 How to accept(接受) an invitation. Yes, I’d love/like to. 是的，我想去。 Sure, that sounds great. 当然，听起来很棒 Certainly, I’d love/like to. 当然，我想去。 Sure, I’d love/like to. 当然，我想去。 Thanks for your invitation. 谢谢你的邀请。 Thanks for asking me. 感谢你叫我去。 How to refuse（拒绝） an invitation. I’m sorry, I can’t. I have to… 抱歉我不能去,我不得不.... I’d love to, but I have to… 我想去，但我不得不... No, I can’t. I’m going to ... 抱歉我不能去，我要... Thanks for your invitation. But .... 谢谢你的邀请,但是... Thank you for asking me. But .... 谢谢你叫我去，但是.. I am afraid not, I... 恐怕不能，我... Sorry, I am not available/free, I have to... 抱歉我没空，我不得不... How to refuse （拒绝）an invitation. I’m sorry, I can’t. I have to … I’d love to, but I have to … I’d love to, but I’m afraid I can’t. Sorry, I’m not free/available. Thanks for your invitation, but I may … 1. My brother can swim but I can’t. 表能力，“能够；会” 2. Can I borrow your new comic book? 表许可，“可以；能够” 3. It can’t be Jack because he has gone to Shanghai. 表推测，常用于否定“不可能” Let’s think can的其他用法和含义 情态动词can有以下常见用法： 1. 表示能力 一般指体力、知识、技能等方面的能力，即“能够；会”。 My brother can swim but I can't. 2.表示许可 多用在口语中，表示请求或允许，意为“可以；能够”等。用于疑问句中用来提出要求，用于否定句中表示不允许。 Can I use your pen? / He can’t use the pen. 3.表示推测 常用于否定句或疑问句，意为“（不）可能”。用于肯定句中表示理论上的可能性，意为“有时会”。 It can be very cold here in spring. 4.表示邀请 could较can更礼貌、委婉。 Can you come to my party? 新课探究 情境导入 课堂小结 若不接受邀请，一般不直接说No，常用Sorry等来有礼貌地拒绝，一般情况下需要说明不能接受邀请的原因以表示歉意。Sorry, I can’t. I … / I’m afraid not. I have to …/Sorry, I not available./I’m sorry. I’m not free. I have to …/I’d love to come. But I’m afraid I can’t. I must/have to/Thanks for your invitation. But .... …. —Can you go to the baseball game?你能去参加棒球比赛吗？ —I’m sorry, I can’t. 对不起，我不能。 —Can you come to my birthday party tomorrow？ —Sorry, I can’t. I am going to visit my grandpa. 如：恐怕不行，我要去探望我的姑姑。__________________________________ I’m afraid not. I have to visit my aunt. 新课探究 情境导入 课堂小结 21 翻译下面的句子。 Would you like to come to my birthday party? It’s at four thirty on Friday.            2. 你想参加我的生日聚会吗？是星期五的四点半。 1. 你周日能去我家吗？ Can you come to my home on Sunday?  当堂检测 22 拓展--其他情态动词 1. must/have to的用法 (1)must表示“必须”或“应当”，其否定式为mustn't。 以must开头的一般疑问句的肯定回答为：Yes, 主语＋must; 其否定回答为：No, 主语＋ needn't. eg. --Must I finish my schoolwork today? 我今天必须完成我的功课吗？ --No, you needn’t. 不，你不需要。 (2)have to也表示“必须，不得不”。 一般情况下，must表示说话人的主观看法，而have to 表示客观需要。 (3) 注意： must还可以表示推测 ，“一定” eg. It must be delicious. 它一定很好吃 ▲ 4. have to 的用法 (1) have to 的意思是“必须、不得不”, 往往强调由于客观原因而必须做某事。have (has) to 后面要用动词原形。当主语为第三人称单数时用 has to，当句子是过去时用 had to。如： He has to work on Sunday. 他不得不在周日工作。 (2) have to 的否定句句型：主语 + don’t / didn’t / doesn’t / won’t + have to + 动词原形。如： You don’t have to walk so fast. 你不必走那么快。 1. She must go to the doctor. 2. I must study for a math test. 3. He has to help his parents. 4. They have to wear school uniforms(校服). must / have to 区别: must 表示主观“必须”。 have to表示客观需要，即“不得不” 。 情态动词might might：意为“可能；也许”，用来对现在、过去或将来的情况的推测。 Examples: 1. They might have to meet their friends. 2. —Where are you going on vacation? —I’m not sure. I might go to Beijing. 3. The doll is cute, my daught might like it. 4. It might rain tomorrow. might,can,must,should都是____ 动词+动原,用来表达某种感情。情态动词没有人称和数的变化 1.might /may意思是“_______ _”。 2.can/could 意思是“________ ”。 3. must 意思是“______”。（主观） 4.have to 意思是“______”。（客观） 情态 必须 不得不 能；会 可能；也许 5.should意思是“___________” 应该 情态动词 3a Complete the answers with might and one of the phrases in the box. watch TV on the weekend my cousin visit my grandparents practice the violin 1. A: What are you going to do on Saturday? B: I’m not sure. I might _____________________ 2. A: What are you planning to do after school? B: I don’t know. _____________________ visit my grandparents. I might watch TV. might 情态动词，表示可能性，用于推测。 watch TV, on the weekend, my cousin, visit my grandparents, practice the violin 1. A: What are you going to do on Saturday? B: I’m not sure. I might __________. 2. A: What are you planning to do after school? B: I don’t know. ______________________________. 3. A: When will you finish the science homework? B: __________________________________________. 4. A: Who are you going to the movies with? B: __________________________________________. 5. A: Are you free to come to my place on Saturday? B: __________________________________________. 3a Complete the answers with might and one of the phrases in the box. watch TV I might practice the violin I might finish it on the weekend I might go with my cousin Sorry. I might visit my grandparents be free to do sth 有空做某事 might 表示可能性，用于推测，比may的推测性更小 Language point 1. Invite invite invite sb. to + a party/wedding … 邀请某人参加聚会/婚礼…… invite sb. to do sth. 邀请某人做某事 My best friend invited me to her birthday party. Yesterday Anna invited me to watch the film. 拓展延伸：invitation n. 请柬；请帖；邀请 Language point 2. accept v.接受 accept 接受 表示主观上愿意接受 receive 收到 表示客观上收到，但不一定会接受 I received a gift, but I didn’t accept it. 我收到了一个礼物，但是我没有接受。 3b 1. Inviting: ____________________________ (can/play tennis) Accepting: ________________________ 2. Inviting: ___________________________(would like to/go to the movies) Refusing: _____________________ Reasons: ___________________________________ (might have to) 3. Inviting: ___________________________ (can/hang out with us tonight) Refusing: __________________________ Reason: ____________________________ (must) 4. Inviting: _____________________________________________ (would like to / come to my birthday party) Accepting: _________________________ Complete the sentences below. Use the words in brackets to help you. Can you play tennis with us? Sure. I’d love to. Would you like to go to the movies? I’m afraid I can’t. I might have to prepare for the math exam. Can you hang out with us tonight? I must help my mom at home. Sorry. I can’t. Would you like to come to my birthday party? Sure. I’d love to. 新课探究 情境导入 课堂小结 32 3c A: Can you come to my party? B: When is it? A: Next week, on Thursday night. B: I’m sorry. I have to study for a math test. Write down everything you have to do next week. Choose a day and time to have a party. Then invite classmates to your party. 一、单项选择 语法精练 1. —______ I swim here? —I’m sorry. Children _____swim alone. It’s dangerous. A. Must; can’t B. Can; mustn’t C. May; must D. Can’t; can 2. —Could you tell me how to pay for the food by QR code on the phone? —_____. A. Take it easy B. It doesn’t matter C. With pleasure D. You’re welcome 3. —Gina, could you please paly the drums on the art festival? —_____. I can only play the guitar. A. Can’t; can B. Yes, I can C. Sure, I’d love to D. I’m afraid I can’t 4. —Would you like to play football after school? —_______. I have a lot of homework to do. A. I’m afraid not B. Enjoy yourself C. Take your time D. it takes no time 1．我没有空。我不能和你去闲逛。 I'm not available. I can't ________ _________with you. 2．他不得不为英语测验而学习。 He _________ _________study for the________ ________. 3．去年秋天我们一起去骑车了。 We________ ________ ________together last fall. 4．星期一我有一场考试，我必须为它做准备。 I have________ ________on Monday and I have to________ ________it. 5．他直到下个星期五才会离开广州。 He_______ leaving Guangzhou _________next Friday. hang out has to English test went bike riding an exam prepare for isn't until 二、根据汉语意思完成下列句子。 课堂小结 Write down the results of your invitation using the following structure. Give an oral report next class. Structure: I’m having a party on … I’m glad … is/are coming to my party, but … can’t come because he/she/they … $$