鸿桥中学“四环节模式”学案。
班级：__姓名。
学习目标：1.学会本课时的单词和短语。
2.学会运用过去进行时。
3.学会when 和while的用法。
学习重点：目标二。
学习难点：目标三。
一）学生自主学习（独学）；
taskⅰ: the following phrases.
1.理发店2.在图书馆前边3.做饭4.做奶昔5.打**6.洗完澡出来7.理发8.航空博物馆9.从飞碟出来。
10.起飞11.电视台。
12.报警13.沿着街走14.睡过头。
taskⅱ：
一。仔细观察下面的对话，用“__标出对话中所出现的时间，并补全句子。
what are you doing now? b: i am doing my homework now.
what were you doing at 9 o’clock last night?
b: i was doing homework.
c我正在打扫我的房间).
a: what were you doing when your mother came back yesterday?
b:i我正在讲**).
试总结：对话1用了___进行时态，对话2用了进行时态。
二．将下面的句子翻译成中文，并仔细观察进行比较。
1. the boy was walking down the street when the ufo landed.
2. the girl was shopping when the alien got out.
3. while the boy was walking down the street, the ufo landed.
4. while the girl was shopping, the alien got out.
总结：when 与while: 都是 “ 当……的时候”, 但如3.4句，后接的动词用过去进行时，多选用而后接的动词用一般过去时态时，用___
taskⅲ：matching 1a
taskⅳ:listening & speaking. (1b& 1c,2a-2c)
二)小组讨论交流（对学、群学）
1.写出本课的主要语法结构：过去进行时构成。
具体用法：过去进行时表示在某一时间内或的动作。和一般过去时的区别。
和 while 的用法：
1）when 引导的从句时态多为和。
2）while 引导的从句时态多为。
3、arrive, get和reach的区别。
三者都有之意，但arrive表“到达某地”时，后面必须跟介词___或get后跟地点名词时要加介词reach后则可直接跟地点名词。如：get to beijing
温馨提示：get home/there=arrive home/there=reach home/there
三)展示交流，评价点拨。
show the answers to the class.
四)达标检测。
i．用when和 while填空。
mother was doing the housework___i was doing my homework.
2my father came back, i was watching tv.
3he went out, it was raining.
4tom was cleaning his room, the telephone rang.
were playing outside___it began to rain.
ii．选择题。
alien___the ufo when i saw him.
getting out getting out of getting out of
this time yesterday?
do doing doing
3.__tom was playing computer games, his father came in.
4.--where is mr brown?--he is
the doctor the doctor’s doctor
paris on the morning of march 10th.
in学（教）后反思：
我的收获是。
我的问题是。
鸿桥中学“四环节模式”学案。
班级：__姓名。
一、学习目标：
1.会读写p20的单词和短语。
2.熟练运用过去进行时态。
二、学习重点：掌握重点词汇及目标句型。
学习难点：熟练运用过去进行时态。
4、学习过程 (一)学生自主学习（独学）；
taskⅰ：预习3a,3b和4内容，按要求完成下列任务。（5分钟每词0.1分）
1.经历，体验___2.想象，设想___3.奇怪的，陌生的。
4.跟随，追随___5.令人惊异的6.开玩笑，戏弄___
1.一个非常不寻常的经历2.在星期天。
3.在早晨4.正好着陆在我前面。
5.走进一个礼品店6.给警察打**。
7.离开商店8.参观飞行博物馆。
9.在博物馆10.给电台打**。
taskⅱ： the article. write the number of each picture next to the
correct activity. 温馨提示：注意仔细看图，**结合哦！
read 3a carefully and answer the following questions.
did the ufo land ? what was the writer doing ?
places did the alien go ? what did they do ?
the alien buy any souvenirs in the shop ？
did the writer do while the alien was in the museum ?
taskⅲ:pairwork (3b).
2)小组讨论交流（对学、群学）
front of 与in the front of的区别。
两者都有之意，但in front of是指in the front of指。
2.⑴how cold it is today! 今天多冷啊！
(2)how beautiful the flower is! 多么美丽的花啊！
(3)how he**ily it is raining ! 雨下得多大啊！
我能归纳：由how引导的感叹句，其构成为。
what a cold day it is!
what beautiful flowers they are!
⑶what delicious food it is!
我能归纳：由what引导的感叹句，其构成为。
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