unit 3 what were you doing when the ufo arrived ?
课型：新授执笔人：王晓审核人：王艳霞时间：
the first period
section a (1a-2c)
learning aims
knowledge objects:
1.学习单词：ufo barber bathroom bedroom while alien land
2.学习词组：in (the) front of, sleep late , get out , take off
3.学习有关句型：
the boy was walking down the street when the ufo landed.
while the boy was walking down the street,the ufo landed.
ability objects:
学会用过去进行时谈论过去的事情。
difficult and important points
important points:
1.单词：ufo barber bathroom bedroom while alien land
2.词组：in (the) front of, sleep late , get out , take off
3. when,while引导的时间状语从句。
difficult points:
对过去进行时的灵活运用。
learning process
step1: 出示卡片，学习新单词：
ufo barber bathroom bedroom while
step2: leading-in
出示**，复习现在进行时，引出过去进行时。
进行时的构成：sb.+be+v-ing
step3: 自主**，合作交流。
读课本18，19页，找出下列词组。
在图书馆的前面在卧室。
睡过头出去，离开。
在厨房煮饭起飞。
剪发在**里说话。
step4：组织操练。
the students:
what were you doing when the ufo arrived ?
在此学生试着用英语表达自己的想法，可以使用课本18,19页的词组和句型。
2. look at the picture and do 1a
3. listening
listen to the tape and finish 1b,2a,2b.
老师点拨：when,while的区别：两者都可以引导时间状语从句，其从句谓语动词若为延续性动词时，可用when也可用while；若从句谓语动词为非延续性动词，只能用when。
例如：while/when the boys were playing football,the bell rang.
男孩子们踢球时，铃响了。
were you there when jim got home? 吉姆到家的时候你在那儿吗？
4. groupwork:：(do 2c)
a: what was the girl doing when the ufo took off?
b: while the girl was …
c: when the ufo took off the man was …
step5: 练习反馈。
用所给词的适当形式完成句子。
imake) a call,the boy stepped in.
___you __talk about) when the plane landed?
a news***** when the ufo arrived ?
___be) in the tv station when the ufo took off.
the girlshop),the alien got out.
father often watches tv in the evening.(用at 8:00 yesterday evening改写句子)
my fathertv at 8:00 yesterday evening.
arrivedbeijing yesterday.
8. i can see a treethe building.
front the front of c. in front of
step6: 课堂小结。
学习反思。
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