Unit5Period2教学案

1、 隆德县第二中学教学案 八年级英语（下）课题Unit5 What were you doing when the rainstorm came?课 型New课时Period 2主 备 人惠雪艳审 核 人授 课 人班级姓名上课日期 学习目标1词汇：alarm , go off ,begin , heavily ,suddenly, pick up, strange 2句型：What were you doing yesterday at the time of the rainstorm? I was doing my homework. 3.when 与 while 的不同用法教学重

2、点1.掌握过去进行时 2.when 与 while 的不同用法教学难点when 与 while 的不同用法教具及实验设置教   学   活   动教师复备一、课前复习：1.叫一名学生做值日报告，复习现在进行时和过去进行时。2.仔细浏览图片，叫学生一个接一个描述过去某个时间正在发生的事情。What were people doing yesterday at the time of the rainstorm?What were people doing yesterday when the rainstorm came ? 3.叫学生

3、两人一组谈论图片，并填空。4.区别while 与whenWhen既可表示时间点，也可表示时间段，从句中谓语动词可以是延续性动词，也可以是短暂性动词。从句一般要用一般过去时。While只表示某个时间段，从句谓语动词必须是延续性动词，且多用进行时态例如：1）When the rainstorm came ,what were you doing? 2)Her parents died while she was studying at school.试一试：用when或while 填空1） I arrived in Beijing ,It was raining.2)What happened t

4、he boy was walking down the street?二、课堂学习:1.学生仔细观察2a里的5幅图片，四人一组用过去进行时描述这几幅图。然后叫一名学生汇报答案。2.学生听第一遍录音，并回答下列的问题：How was the boys yesterday? 3.再放录音，学生边听边排序。4.第三次放录音，学生边听边填2a 。学生逐个读句子，纠正错误。（1）My alarm didnt go off so I _ up late.（2）I _ to the bus stop but I still missed the bus.（3）I _ for the bus when it

5、began to rain heavily.（4）I _ so busy _ for the umbrella that I didnt see a car coming.（5）I took a hot shower and _ some warm food.5.叫学生跟读对话解释一些难点。6.四人一组讨论用2a的信息复述对话。Yesterday . My alarm so I late.I the bus stop, but I the bus .When I school , my teacher .It was time to .While I the bus, it rain .Whi

6、le I the umbrella .I a car coming .Finally the bus me home ,I a hot shower and some warm food . 三课堂巩固练习1.When he saw a wallet on the ground, he _ at once. A. picked it up B. gave it up C. picked up it2. What was Tom doing _ it was raining? He was doing his homework in the bedroom. A. since B. while C. when D. if3. Betty was doing her homework _ the door bell rang. A. when B. if C. because D. and4. 妈妈打电话时我正在写作业。 I was doing my homework _ my mother _ _ on the phone. 5. 昨天在暴风雨来临时，人们在干什么