摘要： (1)(教师在黑板上画几幅简笔画.) I could play basketball when I was ten years old. T: I can draw a picture. Look at my picture. I could play basketball when I was ten years old. Can you draw a picture? Ss: Yes. T: Now I’d like you to draw pictures by yourselves and talk about them one another in groups, understand? Ss: Yes. T: OK. Let’s begin. (教师可给学生呈现以下素材, 启发学生想象力.) (学生组合成学习小组, 每组6人.教师注意协调, 使每个小组有绘画人员, 然后教师给每个组员发一张纸, 要求互相合作完成有关动作的简笔画, 并写出句子.) (学生动笔画画, 写句子, 大约5分钟.) T: Have you finished your drawings? Ss: Yes. T: OK. Let’s talk about the pictures in groups. (各组成员根据简笔画谈论自己在几岁时能做或不能做的事.活跃课堂气氛, 大约5分钟.) T: Time is up. Let’s see which group does well. (每组选派两个代表上台演讲.) G1: (S1展示简笔画)Look at my picture. I could make a model plane when I was ten years old. G1: (S2展示简笔画)Look at my picture. I could play the piano when I was seven years old. G2: (S1展示简笔画)Look at my picture. I couldn’t draw when I was five years old. G2: (S2展示简笔画)Look at my picture. I couldn’t fly a kite when I was twelve years old. - T: Wonderful! Each group did well. Whose drawing do you think is the best? Whose speaking is the best? (学生纷纷评出最佳绘画作品.演讲者以及合作学习中表现最好的小组.) S1: I think Mike’s drawing is the best. S2: I think Tom is good at drawing. I like his drawing very much. S3: I think Wendy’s speaking is the best. S4: I think our group is the best. We all work hard. S5: - (2)(教师引导学生复习could与couldn’t, 带领学生回到过去, 激发想象力.) T: Let’s go back to the past time through time channel, what could you do? S1: I could play the piano.What could you do? S2: I could draw pictures. S3: I could play the piano, too. S4: I couldn’t play the piano, but I could write when I was five. - T: You are the best! Step 2 Presentation 第二步 呈现

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