教学目标：
1)学生能四会单词：wash, help, finish, clean，以及知道他们的.过去式；
2)学生能正确认读功能句a. I cleaned my room .
b. I washed my trousers.
c. I helped my mum .
3)学生能在“昨天”这个时间范围内正确理解并初步使用过去式；
教学重点：
1. 初步感知过去式的正确用法；
2. 学习生词wash, help, finish, clean，知道并会用他们的过去式；
教学难点：
使学生理解过去式的正确使用范围，学生能有意识的正确使用过去式。
教学过程：
Step 1 Warm up:
1. Sing a song.
T: Are you happy today? If you are happy, let’s sing the song “If you are happy”.
2. Guessing game.
T: Well done. Sit down please. This time let’s do and guess.
教师示范：教师看一眼图片，然后做动作让学生猜，再请学生上来。
Step 2 Presentation:
1. Yesterday.
(1) PPT:
T: Look, this is a calendar, today is …? How about this one? It’s …
Yesterday. Now read after me: yes-ter-day. 师重复几遍。
(2) T: 拿着卡片让学生开火车读。
2. 初步感知动词过去式。
T: Yesterday I was very happy, because yesterday was my birthday. Let’s look and listen what did I do?
T: Do you want to listen again。
T: What did I do yesterday? 师引导I played in the park. What else?
PPT: 根据学生的回答来显示图片。
T: Excellent. Now let’s read them together.
3. 简单用。
T: I was very happy yesterday. What did you do yesterday?
教师将学生提到的动词分类贴/写在黑板上
T: Oh. You did lots of things yesterday. Now let’s read them together.
