2019-2020年八年级英语下册《unit3 sectionA 3A-4》学案 人教新目标版

2019-2020年八年级英语下册《unit3 sectionA 3A-4》
学案人教新目标版
【励志小木屋】：Constant dropping wears the stone. 水滴石穿。

【预习目标】：1.识记P20 单词、短语 2.能够翻译3a. 3.学会讲故事
【预习重难点】：重难点：1.when, while引导的时间状语从句。

2.过去进行时。

一．自主预习
（一）预习任务
写出下列短语：在…..前面___________ 起飞___________ 在图书馆里学习___________________ 买一份纪念品_______________ 一次奇怪的经历_______________ 参加博物馆______________ 沿着大街走________________
报警_________________ 十点钟左右______________
(二) 翻译句子：1. 上午十点钟左右，我正走在街上，突然一节飞碟正好降落在我的前面。

__________________________________________
2.看到它走进纪念品商店时，我非常惊讶。

______________________________
3. 当它正看那些纪念品时，那家商店的店员给警察打了电话。

4. 当外星人在博物馆时，我给电视台打了电话。

___________________________________________________________________
（二）预习诊断. 词的适当形式填空：
1. I ________(sleep) when I ________ (hear) a knock at the door.
2. When I saw him , he ________ (wait) for the bus.
3. What __________ you _______ (do) at this time yesterday?
4. I __________ (not go ) to the cinema last night.
5. I saw him __________ (play) in the park just now.
6. When you __________(call) me a moment ago , I ________ (write) .
7.They enjoy ________ (live) here very much.
（三）预习反思Do you have any questions ?
二．课中实施Step 1 预习交流 Step2 Warming-up（复习导入）
Step 3 Lead-in （pictures）Step 4 Read the massage. Step5 Pairwork practice 3b Step5 精讲点拨：Is n’t that amazing!难道那不令人惊讶吗？
该句是一个否定疑问句。

否定疑问句的用法：1. 表示感叹，相当于陈述句，但语气更强烈，感情更丰富。

Aren’t the flowers beauti ful!
2. 也可表示询问，意为“难道不……?”答语在形式上与一般疑问句的答语一样，肯定回答用yes,否定回答用no. 但翻译时， yes 要译成”不”, no要译成“是的”——Can’t you speak English?难道你不会说英语？
——Yes, I can./No, I can’t不，我会。

/是的，我不会。

Step 5 拓展延伸：词的适当形式填空
1. This is the very book ____(buy) yesterday.
2. The teacher asked us to put the___(follow) sentences into Chinese.
3. They are going to visited the Museum of_____(fly)
4.Let’s go ____(shop) after school, shall we?
5. I was very____(surprise) when I saw the accident.
Step 6 系统总结
三、限时作业满分 10 分得分 ________
单选：1 What were you doing____ the accident happened? A. while B. when C. that
2. Look! The plane_____. A. is taking of f B. was taking off C. looks off
3. While the boy was watching TV, his mother_____.
A. got out
B. gets out
C. got out of
4. ——What’s this? ——It’s ____ UFO. A. an B. a C. \
5. My mother bought a T-shirt____ me last Saturday. A. to B. at C. for
6. ——Did you watch the football match yesterday?
—— Yes, I did . You know, my brother_____ in the match.
A. is playing
B. was playing
C. has played
D. will play
7.——Were you at home at 7 o’clock last night?
—— Yes, I ____ a shower at that time.
A. took
B. was taking
C. was taken
D. am taking
完成句子：8. While we ____ ____(交谈) with each other , Tom came to us.
9. It was raining hard ____ _____ ____ ____(当我到达)Chongqing.
10. I saw him ____ _____ ____(从…..出来) the house and disappear in the darkness. Homework:句型转换
1. The man was shopping when the alien got out.(划线提问)
_____was the man ____ when th e alien got out?
2. Don’t shout to the little boy.(同义句)
Would you please ____ ____ to the little boy?
3. While John was walking to school, he saw a cat in the tree. (划线提问) _____ ____he see a cat while John was walking to school?
4. He watched TV last night. (用at this time yesterday改写句子)
He____ ____ TV at this time yesterday.
5. My mother was cooking when my father came back. (用while 改写)
_____ my mother _____ ____, my father came back.
学后反思：。