九年级英语（上) 语法教案 情态动词

情态动词 教学内容 情态动词 教学目标 1.学习情态动词的含义和用法 教学重点难点 情态动词在实际生活中的运用 教学过程 第1课时 课前小测 一、对划线部分提问 1、I went to Xinjiang last year.(when) 2、We stayed with my grandmother for a week.(how long) 3、Hainan is in the south of China. (where) 4、This is my uncle.(who) 5、He lives there with his three children. (who) 6、I met them in June. (when) 7、Lingling went to Xinjiang with her parents in July. (where) 导入 1.说说你周末在家的安排？你会帮忙做家务么？都会做什么？… 知识要点 一、知识点： 情态动词三特点 （1）无三单变化 He can fly. （2）否定直接加not He can’t fly. （3）后接动词原形 He can fly. 情态动词用法 （1）表能力 can be able to 过去 could was/were able to 现在 can am/is/are able to 将来 will be able to （2）表义务 must have to 意思差别 必须（主观） 不得不（客观） 时态差别 过去时态 / had to 现在时态 must have/has to 将来时态 must will have to 否定形式差别 needn’t didn’t /don’t/doesn’t/won’t have to （3）表猜测 肯定猜测 否定猜测 把握度 must can’t不能是must’t或needn’t 很有把握（75%）句中通常有证据 may may not 不是很有把握（50%）句中通常出现“not sure” might might not 很没有把握（25%）句中通常出现“not sure” （4）表请求 情态动词 用法区别 can 比较生硬，不礼貌，通常用于上级对下级或长辈对晚辈 could 比较礼貌，最常用 may might 过分谦卑，较少用 shall 只与第一人称连用 .　　 典型例题 一、改错 1. We can help she. 2. She can’t washes the clothes. 3. What can the cat does 4. Can you eat those beef No, I can. 5. Can you swimming 精选习题 一、补全对话 1. A: you clean the bedroom B: ,I can’t. 2. A: What can you B: I cook the meals. are helpful. 3. A: can Amy do B: She water the flowers. helpful. 4. A: you cook the dinner B: , I can. 二、句型转换 He can clean the desks.(改为一般疑问句并作肯定回答) English, can, he ,not ,speak.(连词成句) Mark can read books. (改为否定句) at home, What, you, can, do (连词成句) 三、选择题 1. John___ come to see us tonight, but he isn't very sure yet. A. may B. can C. has to D. must 2. They ___ do well in the exam. A. can be able to B. be able to C. can able to D. are able to 3. May I take this book out --No, you___. A. can't B. may not C. needn't D. aren't 4. You___ go and see a doctor at once because you're got a fever. A. can B. must C. dare D. would 5. --Can you speak Japanese --No, I____. A. mustn't B. can't C. needn't D. may not 6. --He___ be in the classroom, I think. --No, he ___ be in the classroom. I saw him go home a minute ago. A. can; may not B. must; may not C. may; can't D. may; mustn't 7. --Shall I get one more cake for you, Dad --Thanks, but you___, I've had enough. A. may not B. must not C. can't D. needn't 8. Even the top stu dents in our class can't work out this problem, so it ___ be very difficult. A. may B. must C. can D. need 9. He isn't at school. I think he ___ be ill. A. can B. shall C. must D. has to 10. ___ I take this one A. May B. Will C. Are D. Do 11. The children___ play football on the road. A. can't B. can C. mustn't D. must 12. You ___ be ... ...