1. What were you doing when the UFO arrived ? Review of unit 3

2. 词汇： 1.I had a very unusual e on Sunday. I saw an alien on the street. 2.He can i his student will go to Canada. 3.Don’t talk with s, it’s dangerous. 4.On Sunday afternoon, I saw an alien in the museum. Isn’t that a ! 5.When the cat saw me, she ( 跑开 ) quickly. 6.He is ( 考虑 ) going to Shanghai for a holiday. 7.I can’t find my pet cat a. I think she’s lost. 8.When the baby saw the snake, she wasn’t s at all. 9.The accident h because of the heavy snow. xperience amgine trangers mazing ran away thinking about nywhere cared appened

3. What were you doing when the UFO arrived? take a walk (near my house) talk with my tutor (at the street corner) climb the mountain buy a dictionary (at the bookstore) come to school with Peter eat lunch (at school) go to the library make a smoothie (in the kitchen) shout (on the playground) take a bath (in the bathroom) study English (in the classroom)

4. He, cook a meal, at this time yesterday. Ask and answer A: What was/ were …doing …? B:…. They, have a class,at this time yesterday afternoon. I, play football, at four o’clock last Friday. She, ride a horse, at nine last Sunday. They, run on the playground, at 5 o’clock last Monday My mother, watch TV, at that time last night

5. Ask and answer A: What was/ were …doing when the teacher came into the classroom? B: … was/ were…when the teacher came into the classroom. He, read a book she, clean the blackboard we, talk Lin Tao, open the window While …was/ were …., the teacher came into the classroom. they, do the homework Peter, run and jump in the classroom Mary, drink the water Tom, write a letter

6. Ask and answer A: What did …do while … was/ were …? B: While… was/ were …, …… He, cut hair; the UFO arrive she, clean the blackboard; the teacher come in The girl, shop; the accident happen they, do the homework; the boy open the door Mary, drink the water; the telephone ring Tom, write a letter; her mother get home The alien, look at the souvenirs; the assistant call the police

7. Exercises Choose “when” or “while” to fill in the blanks. 1. I was walking in the street ______ the accident happened. 2. ______ I was doing my homework, the telephone rang. 3. ______ it was raining, the plane took off. 4. ______ the teacher was speaking to class, Nick stood up suddenly. 5.We were talking________ the teacher came into the classroom. 6.I was singing _________ he was dancing. 7.The boys were playing by the river ____ Tom fell into the river. 8.My mother was washing _______ my father was cooking. while while while when when when while while

8. Summary: 过去进行时态： 1. 表示过去某个时刻或过去一段时间正在进行的动作. 2. 构成 : 主语 +was/were+doing sth + 时间状语 3. 时间 : (1)when 引导的时间状语 动词多为短暂性动词，用一般 过去时态。 while 引导的时间状语动词多用延续性动词，用过去 进行时态 (2) 具体到过去某个时间点如 :at this time yesterday, at 9 o’clock yesterday, then, once, 等连用.

9. 单选： 1.---Did you see your mother go out an hour ago? ---No, I didn’t. I TV then. A. watched B. was watching C. am watching D. will watch 2. sad news it is! We must try our best to help them out of trouble. A. What a B. What C. How a D. How 3.When Mr. Green heard the news, he was. A. amazed; amazing B. amazed; amazed C. amazing; amazed D. amazing; amazing 4.---What yesterday?---Li Hua fell off his bike and hurt his left leg. A. happened B. was happened C. happened to D. was happened to 5.There is a cat the tree. A. in B. on C. in front D. over 6.--- at 8 o’clock yesterday?---I was doing my homework. A. What do you do B. What were you doing C. What did you do D. What are you doing B B C A A B

10. 7.When I got home, my son was running and with his cousins. A. reading B. climbing C. jumping D. writing 8.Mr Black is standing the classroom. He is teaching now. A: in front of B: in the front of C: front D: in front 9.When he home, his grandmother was cooking. A: arrived in B: got C: got to D: reach to 10.I school at around ten o’clock in the morning yesterday. A. walked B. was walking C. walk to D. was walking to 11.While Ann a bike, she met Lucy. A riding B. is riding C. rode D. was riding 12.I looked for my pen here and there, but I didn’t find it A. somewhere B. anywhere C. nowhere D. everywhere C B B D D B

11. 1.in front of / in the front of 2.arrive at/ in, get to, reach 3.land/ take off, take off / put on 4.walk down / along the street 5.get out/ get out of 6. 感叹句 : How + adj.\adv. E.g. How beautiful the girl is ! What + a\an (+adj.)+ 单数可数名词 …… ！ E.g. What a beautiful girl she is ! What （ +adj. ） + 不可数名词 \ 可数名词的复数 …… ！ E.g. What nice weather it is ! in the tree \ on the tree walk around think about +v-ing What happened when ……./ What was happening when…… at the doctor’s in hospital / in the hospital Key points of unit 3

12. Fill in the blanks with the proper words. I had a very ________ experience ________ Sunday. At ________ ten o’clock in the morning, I was _________ down the street ________ a UFO landed ________ in front of me. You can _______ how ______ it was! An alien ______ ______ and ________ ________ Center Street. I followed it to see ________ it was going, and I was very ________ when it went into a souvenir shop. _________ it was ________ at the souvenirs, the shop _________ called the police. Before the police arrived, the ________ left the shop and then ________ the Museum of Flight. While the alien was _______ the museum, I called the TV station. Isn’t that ___________! unusualon around walkingwhen rightimagine strange got out walked downwhere surprised Whilelooking assistant alien visited in amazing

13. 课堂练习 翻译下列句子 1. 当我在厨房做饭的时候，我听见电话铃响了。 ____________________________________________ 2. 那时，我正站在图书馆前面。 ____________________________________________ 3. 当那个女孩正在买东西的时候，飞机起飞了。 ____________________________________________ 4. 你能想像到，它是多么奇怪呀！ ____________________________________________ 5. 上周日，我有一次不寻常的经历。 _____________________________________________ While I was cooking in the kitchen, I heard the bell ringing. I was standing in the front of the library at that time. While that girl was shopping, the plane took off. Can you imagine how strange it was! Last Sunday, I had an unusual experience.

14. 1.At about eleven o’clock in the morning, Linda got to the park by her new bike. 2.Was that unpleasant! 3.While Linda was walking near the lake, many people were swimming in it. 4.He saw Linda’s new bike, he thought how great it was if he could have this bike! 5.Can you imagine how well they swam! 6.It was a sunny day, the weather was very hot. 7.How sad she was! This was a new bike that her father sent her as a birthday gift. 8.While she was watching this, a man was looking around. 9.Linda stood there to see them swimming. 10.At last, Linda called the police. 11.Linda had an unpleasant experience last Sunday. 12.When Linda didn’t see him, the man took her bike away. 将下面故事排序

15. Writing: 请你以 Linda 的身份写自己不 开心的周末经历，至少 80 词的短文