Unit 9 SectionA Grammar Focus-3c 课件 2024-2025学年人教版英语八年级上册

Unit 9 Can you come to my party? Grammar Focus-3c Section A 1.学习本课新词汇:invite, accept, refuse, invite sb. to a party/wedding, invite sb. to do sth., refuse to do sth. 学会下列句型:-Can you go to the movies tomorrow night? -Sure,that sounds great./I’m afraid not. I have the flu. -Can she go to the baseball game? -No,she’s not available. She must go to the doctor. They might have to meet their friends. 2. 通过阅读、观察、讨论Grammar Focus等方式找出并总结接受或拒绝 邀请的句子；学习情态动词can, might, must, have to的用法。能用can发 出邀请；熟练使用have to /has to 来谈论职责和义务；情态动词might表示 推测和可能性。 3.通过3a选词补全对话，3b用所给词完成对话及3c邀请同学参加聚会并作 报告的方式体验目标句型的使用，学会礼貌待人，尊重别人，委婉拒绝， 维护与促进朋友间友谊关系。 Learning goats Unit 9 Section A Grammar Focus – 3c 2 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 3 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 4 birthday party A: Can you come to my birthday party? B: Sure, I’d love to. go to the movies go to the doctor A: Can you go to the movies? go to the zoo prepare for an exam A: Can you go to the zoo? B: I’m sorry, I can’t. I must go to the doctor. B: I’m sorry. I’m not free/available. I have to prepare for an exam. Maybe another/next time. Revision 5 Yes, she can. Can she come to the party? Can she …? Can he go to the baseball game? No, he can’t. He has to study. Can he …? Can they …? Can they come to the party? No, they can’t. They have to study for the math test. Revision 6 New words invite v. 邀请 I’d like to invite you to dinner. 我想邀请你吃晚饭。 accept v. 接受 They didn’t accept his money. 他们没有接受他的钱。 refuse v. 拒绝 The girl refused his invitation. 女孩拒绝了他的邀请。 新 课 探 究 Uni 9 Section A Grammar Focus – 3c 7 Grammar Focus Read the sentences and translate them. 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. 新课探究 情境导入 课堂小结 8 1. 星期六你能来我的聚会吗？____ you _____ to my party on Saturday? 2. 当然，我乐意去。Sure. ____ ____ ___. 3. 对不起，我必须为数学考试而学习。Sorry, I _____ _____ ____ a math test. 4. 明天晚上你能去看电影吗？____ you ____ to the movies _________ night? 5. 当然可以，听起来很棒。 _____, that _______ _____. 6. 恐怕不行，我得了流感。I’m ______ not. I have the ____. 7. 他能去聚会吗？ ____ he ___ to the party? 8. 不能。他得帮助他的父母。No, he _____. He _____ to help his parents. 9. 她能参加棒球比赛吗？____ she go to the baseball ______? 10. 不，她没有空。她必须去看医生。 No, she’s ____ _________. She ______ ___ to the _______. 11. 他们能去看电影吗？ ____ they ____ to the _______? 12. 不，他们没有空。他们可能必须去见朋友。 No, they’re not ____. They _____ _____ ___ meet their ________. I’d love to Can come must study for Can go tomorrow Sure sounds great afraid flu Can go can’t has Can game not available must go doctor Can go movies free might have to friends Fill in the blanks according to grammar focus. 新课探究 情境导入 课堂小结 9 Grammar Focus What did you find out? 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. 情态动词can表示邀请的用法 情态动词can除了表示能力、许可和猜测之外，还可以表示邀请(前两句)。表示邀请时，could比can更礼貌、更委婉。 can表示邀请时常用一般疑问句句式，结构为: Can+ 主语+ 动词原形+ 其他？ 后三句中的can，用can打听第三方是否能参加聚会，表示一种可能性。 新课探究 情境导入 课堂小结 10 could not / couldn't could can not /can't /cannot 情态动词can的用法 can是一个常见的情态动词，表示说话人的语气或情态，基本意思是“能; 会”。它没有人称和数的变化，在句子中不能单独作谓语，其后必须跟实义动词原形: ______________ can+动词（原形） 否定形式________________________________；过去式为_________， 其过去否定形式为__________________________ Sam couldn’t play the piano, but now he can play it. 新课探究 情境导入 课堂小结 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 Grammar Focus 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. What did you find out? 情态动词can表示邀请时回答的两种情况 对于用情态动词can发出的邀请，回答时主要有两种情况： 当同意接受对方的邀请时，常用Sure, I’d love(like) to. /Sure. That sounds great. /Certainly./ Of course.等。 新课探究 情境导入 课堂小结 13 表示邀请的句型: (你能来参加我的聚会吗?) Can you come to my party? Could you come to my party? Would you like to come to my party? 接受邀请: 拒绝邀请: I’m sorry, I can’t.（I’m not free/available） I have to…/must… Sure, I’d love/like to. Sure. That sounds great. Certainly./ Of course. 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 15 Grammar Focus 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. What did you find out? 情态动词must与have to用法的区别 二者都有“必须”之意，但 have to 表示“客观上的需要”，有人称和时态的变化，否定形式为 don’t / doesn’t / didn’t have to (没必要)；must 表示“主观上的要求”，无人称和时态的变化，否定回答一般用 needn’t 或 don't have to (不必)。mustn’t 表示“禁止”。 新课探究 情境导入 课堂小结 16 eg. It must be delicious. 它一定很好吃。 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” 新课探究 情境导入 课堂小结 have to 的用法 You don’t have to walk so fast. 你不必走那么快。 (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。 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。 (3) have to 的疑问句句型：Do / Does / Did / Will + 主语 + have to + 动词原形。 — Did he have to ask the question? ——他非要问那个问题吗？ — Yes, he did. ——是的。 新课探究 情境导入 课堂小结 must 与 have to 如： I don’t like this TV set. I must buy a new one. This TV set doesn’t work. We have to buy a new one. You must get up at five tomorrow. We (will) have to get up early tomorrow. must 表示主观“必须”；have to表示客观客观需要，即“不得不” 。 新课探究 情境导入 课堂小结 Grammar Focus 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. What did you find out? 1、might是may的过去式，表示推测时，意为“可能”，语气缓和，委婉，可能性低于may。 might用法 2、表示请求，许可，意为“可以”，语气比may更委婉。 新课探究 情境导入 课堂小结 20 His parents might come today. 他父母今天可能会来。 may/might的用法 (1)may也可表示邀请， 注意其否定回答为“No, 主语＋ mustn't/ can’t”。 —May I go now? ——我现在可以走了吗？ —No, you mustn't. ——不，你不能走。 (2)may表示说话人的猜测， 认为某一事情可能发生，其否定结构为may not, 其过去式为might not。 eg. The newspaper says that it might rain． (3)might表可能，其语气比may更委婉，更加不确定。 新课探究 情境导入 课堂小结 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. ______________________. 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: ____________________________________. 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 新课探究 情境导入 课堂小结 22 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 23 3c Write down everything you have to do next week. Choose a day and time to have a party. Then invite classmates to your party. 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. MON. TUE. WED. THUR. FRI. SAT. SUN. go to the movies at night visit my grandpa in the afternoon look after my sister in the evening prepare for the chess game at night study for a test all day 新课探究 情境导入 课堂小结 24 Invite your classmates to your party. See if they are available. Can you come to my party on Saturday afternoon? Sure. I’d love to. I’m sorry. I must practice the violin on Saturday afternoon. I’m afraid not. I have the flu. 新课探究 情境导入 课堂小结 25 The man invited my father to go fishing with him this morning. 这个男人邀请我爸爸今天上午和他一起去钓鱼。 即时练 1. Mr. Green invited me _______ (visit) his factory last week. 2. Thanks a lot for your ________ (invite). But I have to stay at home to do my homework. 3.Thanks for________ (invite) me to your party. to visit invitation inviting 1.invite v. 邀请 ①invite sb. to do sth.“邀请某人干某事”。 ②invite sb. to +名词“邀请某人参加....... I invited him to my house yesterday.我昨天邀请他来我家。 ③ invite 的名词是invitation。 Language points Unit 9 Section A Grammar Focus – 3c 26 2.accept 收到,接受 二者都含有“收到，接受”的意思。 accept意为“接受”，强调主观接受。 receive意为“收到；接到”，强调客观收到，但并不意味着同意接受。【注意】从搭配上说，在表示“接受教育、受到欢迎、得到支持、接待客人”等时，通常用receive。 根据句意选用accept或receive的适当形式填空。 1) Lily ________ a warm welcome when she went into the classroom. 2) Yesterday, Jack ________ an invitation from Mark and ________ it happily. received received accepted Language points Unit 9 Section A Grammar Focus – 3c 3. refuse 拒接 refuse作动词，意为“拒绝”，与turn down/decline同义，与accept互为反义词。refuse to do sth. “拒绝做某事”。 Jenny refused my help politely. The children refused to give up hope when in trouble. 孩子们遇到困难时不肯放弃希望 如：Jenny礼貌地拒绝了我的帮助。 Language points Unit 9 Section A Grammar Focus – 3c 一、单项选择。 1．—________I have some bananas? —Yes，please. A．Can B．Need C．Must D．Should 2．—Can you come to Susan's party? —Sorry，I________look after my grandma. A．am B．have to C．can D．do 3．—Can you come and play baseball games with us? —________. I must study for a test. A．Yes，I can B．Yes，I do C．I am afraid not D．Sure，I'd love 4．—________you come to my party on Sunday? —Sure，I'd love to. A．Must B．Can C．Should D．Need A B C B 新课探究 情境导入 课堂小结 课堂达标 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。 新课探究 情境导入 课堂小结 课堂达标 接受邀请： Yes, I’d love/like to. Sure, that sounds great. Certainly, I’d love/like to. Sure, I’d love/like to. Thanks for your invitation. Thanks for asking me. 拒绝邀请： I’m sorry. I’m not free/available. Thanks for your invitation. I might have to/must... Sorry, I’m afraid not. I might have to/must... Sorry, I can’t. I might have to/must... I’d love to, but I have to… No, I can’t. I’m going to ... Thank you for asking me. But .... I am afraid not, I... 课 堂 小 结 Unit 9 Section A (Grammar Focus-3c) 31 Write an invitation based on the following information. It’s a Birthday Party For whom : Lisa Time : Friday, June 30, at four thirty Place : Lisa’s house, 15th Street Come and have fun! 新课探究 情境导入 课后作业 新课探究 Homework 32 THANK YOU $$