Unit 3 What were you doing when the UFO arrived?
unit 3 what were you doing when the ufo arrived?
一、知识点拨
i.language goals
•学会过去进行时的基本结构与用法
•学会简单描述过去发生的事情
•学会讲简单的故事
ii.key words
1.cut v.切；剪；割
be careful.don't cut yourself.小心，别切到自己。
2.alien n.外星人
nobody knows whether there are aliens or not.没人知道到底有没有外星人。
3.land v.登岸；登陆；降落
the plane will land in ten minutes.飞机将在十分钟后降落。
4.while conj.当……的时候；在……之时
while i danced, she sang.我跳舞，她唱歌。
5.right adv.正好；恰好
the accident happened right over there.事故正好发生在那里。
6.surprised adj.惊奇的；吃惊的
i was surprised that he was late for the party.我很惊讶他聚会居然迟到了。
7.kid v.欺骗；哄骗
i'm not kidding you.我没有骗你。
8.anywhere adv.到处；无论哪里（用于否定句中）
did you go anywhere yesterday? 你昨天去没去过什么地方?
9.happen v.发生
a funny thing happened in the subway yesterday. 昨天地铁里发生了一件有趣的事。
happen to +名词 发生于……身上
she hoped nothing bad would happen to him.她希望不会有坏事发生在他身上。
10.get out of 从……出去
she tried to get out of helping her mother.她尽量逃避帮助她的妈妈。
11.run away 跑开；迅速离开；逃走
the thief ran away when someone noticed him.当有人注意到他的时候，那个贼立刻逃走了。
12.at the doctor's 在诊所；在医院
i'm thinking of going to the tailor's.在表示诊所、店铺或某人的家时，经常用名词所有格的形式。
she is staying at mary's.她住在玛莉家。我在想到裁缝店去一趟。
iii. key sentence structures
the boy was walking down the street when the ufo landed.
while the boy was walking down the street, the ufo landed.
the girl was shopping when the alien got out.
while the girl was shopping, the alien got out.
二、学习自评
i.listening comprehension
（a）listen and number the pictures.
1. 2. 3. 4. 5.
（b）complete the chart.
who what were they doing in the park yesterday ? what did they do when it began to rain ?
old lady 1.
3.
