B. 可用于构成被动语态 The baby was put in bed by his mother. The invitation was received yesterday. C. 可与动词不定式构成谓语 These books are not to be taken out of the room. She is to arrive at six this morning. (2)助动词have A. 构成完成时态 I have not seen him for three years. How long has your uncle taught in the village? He had lived in Scotland for fifteen years before he came to England. B. 和动词不定式构成谓语,表示因客观环境促使不得不做的事情 She had to go shopping yesterday. (3)助动词do A. 构成疑问句和否定句 Did anyone sharpen this knife? I don’t think you are right. B.用来加强语气 I do want to have a talk with you Do come and see me. C.用来代替动词词组 Have you finished your work? yesterday. He plays basketball well. So does his brother. (4)助动词shall 构成将来时态,单纯表示未来情况 I shall not be back tonight. We shall pay a visit to the Banpo ruins next month. (5)助动词will Yes, I did 36
构成将来时,用于第一、二、三人称。如: They will move to a new house. She will not eat any solid food. 注意: (1)have to 与must的区别 must是情态动词,意思是“必须”、“应该”、“一定要”,后接动词原形。Must的否定形式为mustn’t.构成疑问句时,肯定回答一般用must。否定回答用needn’t或don’t have to 表示“不必”。如: Must I do it now ? Yes, you must No, you needn’t. have to 表示“不得不,必须”,可用于多种时态。 I missed the train, so I had to take a taxi. I’m sorry I won’t go with you, I’ll have to go to the bank. We don’t have to install this new television set. (2)used to 表示过去常常,而现在不再有的习惯。其否定形式为: used not to, usedn’t (usen’t) to , didn’t use to. I used to go to work by bus. Now I go by car. I used to collect stamps when I was a boy. Used they to have a lot more free time ? 检测 板书设计 后记反思 新目标中相应阶段的题型 学生板书重点难点 把时间留给学生消化吸收 板书生词 北京劲松四中学校教案纸对生命负责为发展服务让心灵绽放
项目 学情 分析 教材 分析 初一上册涉及这部分的内容。 情态动词复习 学生对这一部分还需要进一步系统复习,为今后上高中后打下坚实的基础 37
教学 目标 教学重点 教学难点 教学策略 内 容 过 程 1. 培养学生复习预习的习惯。 2 提高总结反思的能力,能够用所学鞭策自己 3. 加强学生之间的合作互助 情态动词的意义及作用; 几个情态动词的用法 教师活动 1. 主导学生对词汇分类,展示预习复习的成果 2. 引导学生观察讨论,并得出结论 3. 归纳总结,强化 4. 强化学生重点难点 5. 引导学生举一反三,发散思维,并扩展所学。 6. 知识反馈 情态动词 (1)情态动词表示说话人对某一动作或状态的态度,或表示主观设想。情态动词有自己的词义,但不能单独作谓语动词,必须和不带to的动词不定式连用,没有人称和数的变化,常用的情态动词有can, may, must, will, shall, should, would, need, dare. ① 情态动词有自己的词义,表示说话人对某一动作或状态的态度,或主观设想。如: You may go now. This bus can seat 40 people. The work must be finished as soon as possible. ② 情态动词不能单独作谓语,必须和不带to的不定式连用,没有人称和数的变化。 ③ 情态动词有现在式和过去式两种形式。 (2)情态动词的用法。 ① may的用法 a. 表示允许或征询对方的许可,有“可以”的意思。May not表示说话人“不许可”,如: You may go now. May I use you typewrite? You may not go=I do not permit you to go. b. 在回答may引导的疑问句时,肯定回答用yes, you may否定用No, you mustn’t. No, you can’t或No, you had better not. 学生活动 1. 听写。 2. 观察讨论总结 3. 记下重点难点 4. 举一反三 5. 真题演练 38
② can的用法 a.表示能力,有“能、会、能够”的意思。 b. 表示允许,在口语中代替may,有“可以的意思。 c. 表示“可能性”,常用于否定句或疑问句。 The hall can hold at least 200 people. The librarian said we could take these books. Today is Sunday, he can’t be at school today. d. can和be able to的用法比较 can用来表达能力时,由于只有现在时和过去时两种形式,其他时态要用be able to来表达。如: I can play piano. He has not been able to finish the work in time. ③ must 的用法 a. must表示必须,应该。如: Must I come to the party? The article must be completed before Friday. b. must的否定形式mustn’t, 表示“不应该、不可以、禁止”。如: You mustn’t get to school too late. Must I do it now? Yes, you must. No, you needn’t She must have gone to Beijing. You must say sorry to me for that You mustn’t clean only own room. ④ need的用法 a. need作为情态动词主要用于否定句和疑问句,较少用于肯定句。如: I needn’t wear a coat. = I don’t think I need wear a coat. I don’t need things like that. ⑤ shall 用于第二、第三人称,表示说话人的意愿。如: He shall get his money. You shall do exactly as you wish. 39
Shall I turn on the light? Shall I poen the window? ⑥ would的用法 表示愿望、决心、建议或看法,如: I would like to go there. I promised that I would do my best. 表示过去的习惯. He would often come to my house to see me. 检测 板书设计 后记反思 项目 学情 分析 教材 分析 教学 目标 教学重点 教学难点 教学策略 初一上册涉及这部分的内容。 1. 培养学生复习预习的习惯。 2 提高总结反思的能力,能够用所学鞭策自己 3. 加强学生之间的合作互助 一般现在时态的意义; 一般现在时态的意义及注意事项 教师活动 学生活动 动词的时态(一)复习 学生对这一部分还需要进一步系统复习,为今后上高中后打下坚实的基础 新目标中相应阶段的题型 学生板书重点难点 把时间留给学生消化吸收 板书生词 40