unit3 what were you doing when the ufo arrived ?
课题：period 1 课型：新授主备：郑兵审核： 刘等平。
班级姓名时间：
教学目标】
学习过去进行时态，学生能够运用过去进行时态进行造句和简单的对话。
教学重难点】
掌握过去进行时态的概念及构成。
学前准备快乐体验】
用括号中动词的适当形式填空）
4.__yourdog___now?（sleep）
5.__you___listen）tomusic?yes,iam.
10.--whereiszhangyan?
--she___talk）withherteacherintheteacher’soffice.
疑难摘录】合作**高效学习】
1.预习现在进行时态的概念即构成。
概念 ：表示现在正在发生的动作或存在的状态。
构成：（be + v-ing）
2. 回顾现在分词的构成。
一般动词在词尾加___读[iη]，如go
以不发音字母e结尾的动词，先去掉___再加___
comemake
以重读闭音节结尾的动词，如果末尾以一个辅音字母结尾，应先再加。
如getswim
以字母ie结尾的动词，变ie为___再加___
dielie
3.过去进行时表示。
构成。其中was是am、is的过去式，were是are的过去式）
eg. ①i was doing my homework then.
那时，我正在做作业。
he was cooking in the kitchen at 12 o’clock yesterday .
昨天12点，他正在厨房烧饭。
用法：过去进行时表现过去某一时刻正在进行的动作。
eg. she was writing a letter when i came in .
我进来时，她正在写封信。
过去进行时还表示过去某阶段正在进行的动作。
eg. they were waiting for you yesterday .
他们昨天一直在等你。
课堂练习高效提升】用动词的适当形式填空。
boywalk) down the street when the ufo landed.
grilshop) when the alien got out.
in front of the library when the he called me.
itlook for) at the souvenirs, the shop assistant called the police.
linda finally saw d**y, hejump) and running with another dog.
错题集】教（学）后记】
unit3 what were you doing when the ufo arrived ?
课题：period 2 课型：新授主备：郑兵审核： 刘等平。
班级姓名时间：
教学目标】继续巩固过去进行时态。
教学重难点】
以when和while引导的时间状语从句。
学前准备快乐体验】
根据对话内容填入单词，使对话通顺、完整（每空一词）。
father: what __you doing __noon today?
li lei: i __****** my kite in the garden.
father: what __li hong doing __that time?
li lei: she was __some horses for the art lesson. it was a nice picture.
father: can you ask her to show me the picture?
li lei: of __li hong, bring your picture here, please. dad wants to h**e a look.
li hong: ok! but it’s upstairs. let me go and __it. wait a __please.
合作**高效学习】
一、本课时重点及难点：掌握以when和while引导的时间状语从句。
1.在本单元中，出现了以when和while引导的时间状语从句。
when表示当when 引导时间状语从句时，主句用时态，从句用时态。
如：mary was h**ing dinner when i saw her .
while表示当while引导时间状语从句时，主句用时态，从句用时态。
如：the ufo landed while the boy was walking down the street.
拓展：当表示两个动作同时放生时，要用while.
eg：my mother was cooking while tom was knocking the door.
二、 通过预习3a这篇文章，用笔划出when和while引导的时间状语从句，并试着以小组讨论的形式翻译下面这些句子。
the boy was still sleeping when his mother got home yesterday morning .
the weather was fine while we were in beijing .
while we were swimming someone stole our clothes
don’t talk so loud while others are working .
mary was h**ing dinner when i saw her
疑难摘录】课堂练习高效提升】
一、用when，while填空。
1the alien was in the museum , i called the police .
2. the boy was walking down the streeta ufo landed .
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