新PEP人教版八年级英语上Unit 9 Section A Grammar Focus-3c PPT课件.pptx

Unit 9 Can you come to my party ? 人教 版八年级 英语上册 Section A 3a-3c To learn to use “ Would you like to…? ” to make invitations To use the following structure to talk about obligations: I might have to/must… Objectives Hey, Anna, can you come to my birthday party on Saturday? … Oh, Sam! I remember we went bike riding last fall when … Review Can you play chess with me tomorrow afternoon? Sure. I’d love to. I’m afraid not. I have the flu. Can Lily take a walk with us? No, she can’t. She must prepare for the exam. 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 情态动词主要有： may/might, can/could, must, have to, shall/should, will/would, ought to, need, dare, used to 现在我们来着重学习情态动词 can 以及 have to 的用法。 其特征主要有： 情态动词 can 的基本用法 情态动词 can 有一定的 词义，但 不能独立 存在，它 必须与动词原形一起构成谓语。情态动词 can 没有人称和数的变化。其具体用法如下 : 表示“ 能、会 ”指脑力 或体力方面的“ 能力 ”。如 : ► I can speak Japanese. 我会讲日语 。 ► Frank can swim but I can’t. 佛兰克会游泳 , 但我不会。 2. 表示“ 可能 ”，常用于否定句或疑问句中，指某种可能性。例如： ► My cousin can’t be in this city. He is in Korea now. 我堂兄不可能在这个城市里。他在韩国呢。 ► Can he come to our club today, please? 请问 他今天能来我们俱乐部吗？ 3. 表示“ 可以 ”，常用于口语中，指许可或请求做某 事 ► Can I ask you a question ? 我 可以问你一个问题吗 ？ ► You can bring something to eat. 你可以带些吃的。 can 为情态动词 , 在本单元中表示 请求 ， 用于发出邀请，后跟 动词原形 。当同意接受对方的邀请时，常用 Sure, I’d love to. / Certainly. /Of course. 等来回答；若不接受 ， 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。 ► —Can you come to my birthday party tomorrow ？ 明天你来参加我的生日聚会，好吗？ —Sorry, I can’t. I am going to visit my grandpa. 很抱歉，我来不了，我要去看我爷爷。 can/may ( 1 ) 都可表示 “许可” 。 may 用于较正式场合， can 比较口语化。 You may/can smoke here. ► Borrowers may not take out of the library more than two books at a time. ► The policeman says you can’t park here. (2) May/Can I/we…? 表示征询对方许可。 Can you…? 表请求。 ① — May I use your phone? — Yes, you may ./Yes, please. /No, you may not . /No, you mustn ’ t . /No, you ’ d better not. / I ’ m afraid not. /I ’ m sorry. I ’ d rather you didn ’ t . ② — Can I go out and play, Mum? —Yes/Certainly, you can . /No, you can ’ t . ③ — Can you help me with this bag? — With pleasure./Sorry, I can ’ t . (3) 都可表示“可能性” Mr. Reed looks pale. He may be ill. Mr . Read is in poor health. He can be ill at any time. This news may be true . (=might/could) Wang Wei can be really stubborn . Mr. Reed looks pale. He may be ill. Mr. Read is in poor health. He can be ill at any time. This news may be true. (=might/could) Wang Wei can be really stubborn. (4) can 还可表示 “能力”、“能够” —You can swim, can’t you? —No, I can’t . I can’t promise anything, but I’ll do what I can . Tickets can be bought from the Tourist Information Center. have to 的用法 1. have (has) to + 动词原形   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 。 ► We have to go home now. 我们 不得不现在就回家。 ► He has to work on Sunday. 他 不得不在周日工作。 ► I had to do much housework last Sunday.  上周日 我不得不做很多作业。 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 ► You don’t have to walk so fast. 你 不必走那么快。 ► He will not have to buy a new coat next year. 明年 他没必要买新外衣了。 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。 No , he didn’t (have to). 不。 不能独立作谓语，只能和动词原形一起构成谓语， 表示说话人的语气和情态。 2. 没有人称和数的变化。 ( have to 除外) 3. 否定形式：在其之后加 not ( have to 除外) 　 疑问形式：情态动词提到主语之前( have to 除外)。 3. 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 to 后接动词原形； have to 有人称、数和 时态的变化 , 其 第三人称单数形式 为 has to, 其 疑问形式和否定 形式 要借助于助动词 do 或 does 来完成。例如： ► We have to look after our sister at home. 我们不得不在家照顾我们的妹妹。 ► Does he have to get up early tomorrow morning? 明天早上他必须早起吗？ ► I don’t have to stay at home today. 今天我不必呆在家里。 4. must/have to must 表示主观“必须”； have to 表示客观客观需要，即 “不得不” 。 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. I had to leave early because I wasn’t feeling well. She said she must/had to see the manager. 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 : Sure, I’d love/like to. I’m sorry, I can’t. I have to… /I’m V-ing… 小结 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 . ____________________ watch TV on the weekend my cousin visit grandparents practice the violin practice the violin . I might watch TV. Complete the answers with might and one of the phrases in the box. 3a 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: _______________________________ O n the weekend. M y cousin. No. I might visit grandparents . 1. Inviting: (can / play tennis ) ________________________________ Accepting:________________________ Can you come to play tennis? Sure, that sounds great. Complete the sentences below. Use the words in brackets to help you. 3b 2. Inviting: (would like to/ go to the movies) Reason: (might have to) ____________________________________ Refusing:____________________________ ____________________________________ Would you like to go to the movies ? I’m afraid not. I have too much homework to do. 3. Inviting: (can/hang out with us tonight) Reason: (must) ____________________________________ Refusing: _____________________________ _________________ Can you hang out with us tonight ? No , I can’t. I must finish my homework. 4. Inviting: (would like to / come to my birthday party) __________________________________ Accepting:__________________________ Would you like to come to my birthday party ? Sure, I’d love to. 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. 3c What do you usually do on weekends? What activities do you do on weekends ? have to … 不得不 A: What do you have to do this weekend?B: I have to… What weekend activities do you do? Have a talk about your weekend colorful weekend activities go shopping go skateboarding play soccer go to the cinema Have a talk colorful weekend activities play the piano climb mountains go to a party surf the Internet 1. Jim play soccer with his friend this weekend , because he is very busy. A. can B. cans C. cann’t D. can’t 2. Henry his homework this afternoon. A. have to do B . have to doing C. has to do D. has to doing 3 . — ? — It’s October the 14th. A. When is today B. What’s today C. What time is today D. What day is today D C I. 选择 填空。 D Exercises 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? I’d love to Can come must study for Can go II. 根据 课本内容 , 完成下列句子。 tomorrow 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. 他能参加聚会吗？ ____ 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 ______? Sure sounds great afraid flu Can game Can go can’t has 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 ________. not available must go doctor friends Can go movies free might have to （ 2018· 湖北孝感 ） — Could you come and help with our book sale, Alice? — . A. Never mind. B . I think so. C . Sure, I’d love to D . Have a good time 中考链接 【 解析 】 句 意 :— 爱丽丝 ，你能来帮我们做图书销售吗 ？ — 当然，我 很乐意。 Never mind ，意为 “ 不要紧，没关系 ； 别 在意 ；算了 ” ， 通常在对方 道歉，或者 让对方别介意的时候 使用 。 B . I think so. 我认为如此，表示赞同； C. Sure, I’d love to 当然 ， 我十分 乐意，对别人的请求作肯定回答； D. Have a good time 过 得愉快 ， 通常 表示祝福。本题上文表示请求 ，所以 使用 Sure, I’d love to 作答。故选 C 。 （ 2018· 甘肃兰州 ） — Jerry , could you tell me how to take a taxi through “ Didi”? — ____________. A.Take it easy B . You are welcome C . Thank you D . Sure, I’d love to 【 详解 】 句意：杰瑞，你能告诉我怎么通过“滴滴”乘 出租车吗 ？当然，我很乐意。 A . Take it easy 别紧张； B . You are welcome 不用 谢； C. Thank you 谢谢你； D. Sure, I’d love to 当然 可以，我乐意。结合语境理解，前一个句子表示 一种有礼貌 的请求，答语是答应对方的请求，故 答案 应该 选 D 。 It’s a Birthday Party Friday, June30, at five thirty Betty’s house, 327 th Street Come and have fun! For whom : Time : Place : Betty Write an invitation based on the following information . Homework