教学目标：
教会学生使用一般过去时，并教会孩子用一般过去时描述过去发生的事情或动作。
教学语言：
四会单词wash help finish clean 以及其过去式。句型：Yesterday，I...my... 教学重点：由一般现在时过渡学习一般过去时，和动词加ed后的读音及用法。
教学难点：
学生对-ed的动词发音【t】【d】的区别。
教学准备：
多媒体（ppt）、自制单词卡、道具等
教学过程：
一、warm-up
1.Sing a song《Bingo》课前齐唱英文歌曲以活跃课堂气氛。
2.Greeting
T : Hello，boys and girls.
Ss：Hello，Miss jia .
二、lead-in
1.（教师欲将标题写在黑板上，却发现。。.）
T：What's wrong with blackboard.It’s dirty. What should I do ?（这里的提问可以作为预习作业的检查。）
Ss：Clean T：Yes ，I clean it.（出示词卡clean）
T：But the towel is dirty again.What should I do ？
Who can help me？
I wash it . It’s clean again.（在进行情景表演时，将涉及到的单词一一出示，并贴于黑板上。）Oh，now it’s finish.
2.Story Time.（内容由一般过去时导入一般过去时）
A a beautiful girl :“I finish my homework.”
“I clean my room.”
“I wash my trousers.”
“I help my mum.”
B read the phrases together. Eg: finish finish finish my homework ,etc.
三、New lesson
1.T: Yesterday,I finished my homework. I cleaned my room. I washed my trousers. I helped my mum. （注：把单词变成过去式，变讲述边板书）
2.教师解释，Yesterday昨天，描述昨天或过去生的事情或动作要用一般过去时，一般情况下，在动词词尾加-ed。
3.（ppt）Let’s read.
4.T：Do you want to know “What did Daming do yesterday ？”Now let’s learn . Module 2 unit 1 I helped my mum.
5.Listen to tape and find out “-ed”
6.listen and repeat then answer questions. 7.Teacher reads text and students follow. 8.Read in roles 四、Practise 1.Make a play of this text. 2.Look and talk.（看图谈论）
Eg：Yesterday，I ... 3.Have a rest and listen to a song. 4.Look at a letter and fill in the blanks. Dear friends: Yesterday, I _____ my homework, I ______my room. Then I _______my trousers, they were very ________. And I _______my mum. Mum ____ very happy .What about you ? Write to me soon. From, Daming.
五、Summary.
六、Homeork.
1.Do a survey about “What did you do yesterday ？”
2.Read the text for 5 times.
板书设计：
Module 2 Unit 1 I helped my mum.
Yesterday，I finished my homework.
I cleaned my room.
I washed my trousers.
I helped my mum.