Unit 4 Lesson 20 Looking at Photos 教案

Unit 4 Li Goes Home
Lesson 20 Looking at Photos
教材分析
本节课是第四章的第二节内容，通过过去的照片，来让学生学习重要语法一般过去时。
教学目标
【知识目标】
能够掌握一般过去时的定义、结构、动词不定式规则和时态运用等重要语法。
【能力目标】
指导学生能够熟练讲述自己过去干过的事情。
【情感目标】
帮助学生能够结合自己生活经验，在日常生活中与他人交流自己以前做过的事，增进学生对英语的兴趣。
教学重难点
【教学重点】
指导学生掌握描述过去发生的事情的语法。
【教学难点】
帮助学生能够用英文熟练丰富地交流过去发生的事。
课前准备
Tape recorder, Multimedia
教学过程
Step 1. Greetings and warm-up activities
Please describe the picture.
What did you do yesterday?
Step 2. Presentation
What did they do yesterday?
They played basketball.
What did they do yesterday?
They went to the shop.
What did they do yesterday?
They bought Christmas gifts.
What did they do yesterday?
They talked to their friends.
Step 3. Grammar
一般过去时：
定义：表示过去某时间的动作或状态。
结构：主语+动词的过去式+其他。
当看到时间是“表示过去的时间词组”时就用“一般过去时”
意义：表示过去发生的动作或存在的状态。
A. Regular verbs规则动词:
1. 动词原形+ed
e.g. play→played clean→cleaned visit→visited stay→stayed practice→practiced ask→asked watch→watched
2. 以e结尾的+d
e.g. live→lived dance→danced
3. 辅音字母+y结尾，变y为i+ed
e.g. study→studied try→tried carry→carried
4. 重读闭音节结尾,且末尾只有一个辅音字母的动词，双写尾字母再加ed (两辅夹一元)
e.g. stop→stopped plan→planned
B. Irregular verbs: 不规则动词
do ______ go ______
have _____ come_____
read _____ see _____
不规则动词的过去式无规则可循，要注意自己积累。
Step4. Exercise
用所给动词的适当形式填空。
We ______ (live) in Japan last year.
Jack________ (stop) the car last Sunday.
Tom _______ (clean) my room and ______(study)
for the Chinese test last weekend.
What ______ you ______(do) last night?
On Sunday morning I _____ (play) tennis.
What did Danny do in the first picture?
Who hit his hand?
What did Li Ming do with Danny?
Who did they talk to?
What did they do last Sunday?
They went swimming last Sunday!
What did she do last Sunday?
She played volleyball last Sunday.
Step5. Discussion
What did you do last Sunday?
did my homework
played soccer
cleaned my room
went to the beach
played tennis
went to the movies
Step6. Work in pairs
What did you do last Sunday?
I …
Step7 . Singing
Come and sit down beside me, my friend.
Do you know that we will all miss you?
We feel happy to see your bright smile, dear.
We feel happy that you will miss us, too.
Step8 . Summary
一般过去时
1.定义
2.结构
3.动词不定式规则
4.时态运用
Step9. Homework
1.独立完成课本53页《Let’s do it》 。
2.上个周末你都做了什么，记录下来，写成40词的小短文，上课汇报。