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教学难点：
掌握动词的过去式变化规则及其发音
教学准备:
单词卡片，课件, 教学光盘。
教学过程：
Step 1: Warm up
播放 Last weekend 的歌曲视频，让学生跟唱。
提出问题 What did you do last weekend？让同桌问答。
Let’s look at our friends’ weekend.
Step 2 presentation
出示课件并让学生自己观察回答问题。
1.T: How were their weekend?
S1：MIKE cleaned his room and washed his clothes.(师注意物主代词的变换)
S2:ChenJie stayed at home and watched TV.
(1)呈现词组: cleaned my room, washed my clothes , stayed at home, watched TV 强调过去式的发音/d/,/d/,/id//t/.学生跟随教师朗读词组。
（2）T 板书下列单词的原形clean 、wash 、stay、 watch，并用I often clean my room /…造句。
（3）T 板书以上单词原形并且加ed后，用I cleaned my room /…last weekend 造句。
（4）学生观察两个词组的不同之处.T：eg:cleaned 是clean的过去式，当我们要表达过去发生的事情时，就要用动词的过去式，规则动词的过去式一般在原型后面加ed.cleaned的ed 发/d/. 师带读.
（5）教师用同样的方法教学―stay/stayed at room，wash/washed my clothes, watch/watched TV. 注意:washed, watched的ed 发/t/.
(6)呈现句型：What did you do? 师问生答。
(7)生打开课本P15，听录音再次跟读。
Step 3 practice(练习)
（1）卡片识单词：教师出示动词原形词组卡片学生说动词词组的过去式
（2）主情景图问答练习：出示MIKE 微博截图，操练句型what did +主语+do?
主语+动词过去式
（3）chant：Last weekend I cleaned my room.
What did you do? What did you do?
Last weekend I stayed at home.
What did you do? What did you do?
Last weekend I watched TV.