Unit 1 Life on Mars_GrammarA_精品教案.doc

教学资料范本Unit 1 Life on Mars_GrammarA_精品教案编 辑：_时 间：_Unit1 GrammarA 精品教案Learning aims知识目标To use can, could, may and might to talk about permission.能力目标Express their English correctly.情感目标To be a polite person.Main points and difficult pointsThe usage of can, could, may and might.To use may and might to talk about permission Learning procedures：1. 自学展示Fill in the blanks with may, can(not), must.M: Someone is knocking at the door. _ it be Lucy?S: It _ be Lucy. I didnt call her. I think it _ be Daniel. Ah, yes! Dan(5 minutes later, someone else knocks at the door.)S: Mum, please open the door. It _ be Millie. Im sure!2. 探究学习Step 1. Lead-inAsk the students a question “Could you tell us something about the life on Mars?” Tell the students to show us the life on Mars in different ways, such as, transport, food and water, what to wear, how to work, how to study, etc.Step 2. Presentation1) Ask the students what they should say in the following situations.This morninIf I want to borrow a dictionary from a student, I should say, “_”.Now If a student wants to borrow a book from me, what should he/she say?2) Ask the students to find out the difference between the two sentences.Could I use your dictionary?Can I use your dictionary?From the words above, the students can know that we can use can, could, may, might to talk about permission, and these four words have different degrees of formality.Step 3 Practice(1) Show the students some pictures and ask them to choose the better words.(2) Remind the students of the usages of the modal verbs by giving them two dialogues。3. 课堂整理情态动词提前学:表示商量猜测不十分确定的事情.肯定句用must; might; may 疑问句用can; could 否定句cant ;couldnt; may not (1) 肯定句是有根据、有经验的判断用mustThe tall man must be a player. He must work in this school 。不肯定、无把握的猜测用may ,往往在有.not sure的句子时才用mayYour answer may be right, but Im not sure. 客气礼貌婉转用might You might need some money. I think you might be hungry. (2) 疑问句只能用can、could不能用must、may、mightCan he be a teacher？猜测远处的人、看不见的人用 Who can it be?“Someone is knocking at the door, who can it be?” “Open the door please!” “Who is it?” “It is me.”(3) 有把握有根据的否定猜测用cant、couldnt“不可能”、无把握无根据用may not、might not“可能不”、不能用mustnt。mustnt不是猜测是“不允许.”、“禁止”。He cant be at the library, for I saw him just now.He might not know the headmaster.can, be able to 表示能力的区别can长期固有的自然能力I can drive a car.be able to经过努力克服困难后才获得的能力After three months study, I am able to drive a car now. I have been able to drive a car now.can, could, may, might表示许可could可用于现在时的疑问句表示客气礼貌、of course you can表示乐意对方用自己的东西。Could/Would you do me a favour? Of course I can.情态动词can, could, may, might的用法can用于问候朋友；could用于问候老师和成年人；may用于问候陌生人和你尊敬的人、显得正式而有礼貌；might用于非常有礼貌的场合、很少用。e.g. 1)爸爸、我能用你的照相机吗？ 可以。 Dad, I use your camera? Yes, you .2)Daniel、我能借你的字典吗？ Daniel, I borrow your dictionary?4. 当堂练习Fill in the blanks with may, can(not), mu