1、Unit7 Grammar 参考教案 Teaching aims: 1. Introduce the usage of can, could and may. 2. Using What and How to express strong feelings. Step 1. Presentation Enjoy the picture and present the new words. Step 2. Warming up Enjoy more pictures and talk about the usage of can and could. Step 3. Explanation Us
2、ing “can”/ “could” to talk about ability. We use “can” to talk about present ability. We use “could” to talk about ability in the past. e.g. I can (cannot /cant /can not ) swim. What about you? He could (couldnt /could not) dance in the past. What about you? 2. Using can, could, may and to talk abou
3、t permission. 1) can 与 could can 常用于口语中, 表示非正式的请求 , 请求对象一般是家人或朋友。 e.g. Can I borrow your bike, Simon? 西蒙, 我可以借一下你的自行车吗？ Of course. 当然可以。 Can I have some milk, Mum? 妈妈, 我可以喝点牛奶吗？ Yes, you can. 好的。 2) could 是 can 的过去式。在口语中, could 常用来代替 can 向对方更委婉地提 出请求, 用法上比 can 正式, 可以用于向老师或长辈提出请求, 这时 could 不表示过去, 回答一
4、般还是用 can。 e.g. Could I use your computer, please? 请问, 我可以用一下你的电脑吗？ Yes, you can. 可以。 Could I hand in our homework later, Mr Lin? 林老师, 我可以稍后交作业吗？ No, you cant. 不 , 不行。 2. may may 也可以用来征求对方意见, 意为“可以”, 相当于 could, 用法也比 can 更正 式, 更礼貌, 一般用于向陌生人或所尊敬的人请求许可。 e.g. May I ask you a question? 我可以问你一个问题吗？ Yes, pl
5、ease. 可以, 请问。 May I come in, Mr Wu? 吴老师, 我可以进来吗？ No, you may not. 不行。 Step 4. Exercises Ask and answer questions using “can” or “could”. Try to make dialogues in pairs. 1. _ you speak Japanese? 2. _ you play the piano last year? 3. _ you cook? 4. _ you use a computer when you were 3? 5. _ you ride a
6、 bicycle when you were very young? 6. _ you understand English TV programmes in 2000? Step 5. Presentation Show some pictures and present the usage of “what and how to express strong feelings”. Step 6. Explanation 1. what 引导的感叹句： 1 ) What + a/an + 形容词 + 可数名词单数 （+ 主语 + 谓语）! 2) What + 形容词 + 可数名词复数 （+
7、主语 + 谓语） ! 3) What + 形容词 + 不可数名词 （+ 主语 + 谓语） ! 2. How 引导的感叹句： 1) How + 形容词 (+ 主语 + 连系动词)! 2) How + 副词 (+ 主语 + 行为动词) ！ Step 7. Exercises 1. Do the exercises on page 86. 2. Check the answers. 3. Do more exercises. Homework 1. Remember the new words in this lesson. 2. Do the exercises on the workbook.
