Unit 3语法学案2021-2022学年人教版八年级下册.docx

人教版八年级下册Unit 3 语法学案can 和 could 1. can表示能力 “能”“会” I can sing English songs. ★ be able to ①表示能力=can ②有各种时态，可以放在别的情态动词或助动词后 ③表示成功地做了某事2. can表示请求许可=may (有时有could表示委婉语气, 但回答时仍用can/may) ---Can/Could I use your bike? ---Yes, you can/may. / (No, you can’t/mustn’t.) 3. 表示推测，指理论上可能性，多用于否定句和问句 He can’t be Danish.4. 表示惊讶、怀疑、不相信 How can you believe such a liar like him?5. could是can的过去式，表示过去的“能力” 1). 用来表示过去的能力、可能性或允许：I could run faster then.It could be no better at that time.Only men could go to the club in those days.2). 用来表推测或条件：I could be wrong.If we could help, we would.3). 用于表示试探性或礼貌：Could you come over here? 回答是注意不能再用could回答，应为yes，I can/sure 或sorry, I can’t基础专练一、适当形式填空(单句适当形式) 1. --- (can) you please buy some snacks for me,mom?--- No, I cant. Im busy cooking. 2. --- Could you please (lend) me your dictionary?--- Yes, here it is. 3. --- Could I listen to music?--- Yes, you (could). 4. He (can) play the piano when he was very young. 5. The French book (can) be Marys. She is studying French.二. 根据句意及所给首字母提示，补全句中所缺单词。

1. Daming never drinks milk and n do I.2. I h hamburgers and ice-cream, so I never eat them.3. W I’m listening to music, my brother is playing the violin.4. My pen is on the sofa. Please p it to me.5. Peter always b things from me and he doesn’t give them back on time.三. 将下列句子先归类然后按括号内的要求写出答语提出请求：___________表示征得许可：___________1. Could you please help me solve the problem? (写出肯定答语)_________________________________________2. Could we go back late this evening? (写出否定答语)_________________________________________3. Could I bring some food and drinks? (写出肯定答语)_________________________________________4. Could you please come over now? (写出否定答语)_________________________________________KEYS一、1. Could 2. Lend 3. Can 4. Could 5. Can二、1. neither 2. hate 3. While 4. pass 5. borrows三、提出请求：1;4 表示征得许可：2; 31. Yes, sure. / Sure. / Yes, I can. 2. Sorry. / No, you can’t.3. Yes, you can. / Of course. / Sure. 4. Sorry, I can’t. I have to do my homework first. / No, I can’t.巩固提高一. 根据括号内所给提示词语，将下列句子翻译成英语。

1. 今天我想出去吃饭 (go out for dinner)_________________________________________2. 她儿子成天在屋子里看电视 (all the time)_________________________________________3. 昨晚我一打开电视我弟弟就过来了 (as soon as)_________________________________________4. 她惊讶地看着他，什么也没说 ( in surprise)_________________________________________5. 格林(Green)先生什么时候走开的？ (walk away)_________________________________________二 语法填空 Nobody likes to do housework, especially kids. How can you make your kids get into a good habit of doing 1_________ (they) housework? Try making housework fun for them. Play some music: Music 2_________ (make) everything seem like a party, doesn’t it? Play your kids’ favorite music and let them dance around while they 3_________ (do) their housework. Make it a treasure hunt(寻宝): It’s a good way when you would like them 4_________ (clean) the house. Let them know that you hide a $ 5 bill someplace. 5_________ they find it, they can keep it. Change often: If your kids keep 6_________ (do) the same housework for months, they may feel bored. Teaching them a new task is fun 7_________ both you and the kids. They 8_________ (feel) more grown-up when they get a new task. Do it together: It’s never fun to be 9_________ only one working and watching everyone else relaxing. If everyone takes part in doing housework, you will finish it 10_________ (fast) and have more fun.三、书面表达假设你班要举行一次有关“该不该做家务”的讨论会，请你写一篇短文，阐述自己的观点，并向全班做一个汇报。

提示： 1. Do you often do chores? 2. What chores do you often do? 3. What do you think of doing chores? 要求：语句通顺，意思连贯，字迹清晰80词左右KEYS一、. I want to go out for dinner today.2. Her son watches TV in the room all the time.3. My brother came over as soon as I turned on the TV last night.4. She looked at him in surprise and said nothing.5. When did Mr. Green walk away?二、1.their 2.makes 3.are doing 4.to clean 5. If 6.doing 7.for 8.wll feel 9.the 10.faster三、【参考范文】Good afternoon, everyone! Now let me say something about myself. I’m a girl from the countryside. I often do chores at home. I often sweep the floor, do some washing and clean the room. On weekends, I often help my mother cook dinner. I think we should help my parents do chores. It can make us know how hard our parents are working and understand them better, and w。