学习目标
教师寄语:Never do things by halves.不要半途而废。
教学目标: 1、掌握并灵活运用本课的重点词.
? 2、能正确理解下列短语.
3、能正确理解下列句子和加粗字的意思：
（1）Ben’s dad… while his mom was making sure the flashlights and radio were working.
(2) When he woke up, the sun was rising.
4.能理解和正确运用过去进行时态。
自学自测
1. 暴风雨 ___________ 2. 在……的时候
3. 去上班 4. 等公共汽车
5. 走路回家 6. 在街上
7. 打篮球 8. 弹钢琴
课堂互学
Task1 Look at pictures and describe them in English.
Task2 Review some key sentences..
Task3 Pair work:
总结过去进行时的定义，结构和用法。
定义：
结构：
用法：
精讲点播
Task 1 Look at pictures and make sentences.
Task 2 Group work
通过分析句子，辨析when和while?的意义和用法
当堂检测
单项选择。
1. It _______ heavily when I left the cinema.
A. is raining B. will rain C. was raining
2. I ______ my clothes, and the phone rang.
A. was washing B. washed C. am washing
3. My brother came back home while I ______homework.
A. am doing B. were doing C. was doing
4. — Did you watch the football match yesterday?
— Yes, I did. You know, my brother _____ in the match.
A. is playing B. was playing C. will play
5. My best friend visited my house while I_______ dinner in the kitchen.
A. cooked B. cooking C. was cooking
二．用when和while填空。
1.____ May was talking on the phone, her sister walked in.
2.____ Rita bought her new dog, it was wearing a little coat.
3._____ I saw Carlos, he was wearing a green shirt.
4._____ I was dancing, he was singing loudly.
5. _____ Linda finally saw Davy , he was jumping with a dog .
6. I was cleaning my room ________ the fire broke out .
巩固提升
教师寄语:Never do things by halves.不要半途而废。
Write
What were you doing at these times last Sunday? Fill in the chart. Then ask your partner，and then write an article.
You
Your partner
9:00am
12:00am
5.30pm
9:00pm
通过本节课的学习?
今日我最大的收获：
感到自有待加强的是：___________________________________________________________
今日我的总体表现是：
课件14张PPT。初中英语人教版八年级下册Unit 5
总复习What was she doing when the rainstorm came?She was walking on the street when
the rainstorm came.
/When the rainstorm came, she was
walking on the street. walk on the streetpick up the phonerainstormpick yellow peachesmake Miguovisit Xiangshan ParkWhat was she/he doing last Sunday?She /He…Pair work：
总结过去进行时（定义，结构，用法） 过去进行时1. 概念: 2. 构成:3. 用法: 表示过去某一时刻或某段时间内正进行的动作。主语+was/were + 动词-ing +时间状语a: 表示过去某一时刻正进行的动作, 与特定的过去
时间状语连用,常见的时间有: at 8 last night,
at this time，at that time, at that moment 等e.g. What were you doing at 10 yesterday morning?
I was writing a letter to my father at that moment. b: 表示过去某段时间内正进行的动作。e.g. We were building a house last winter.
They were waiting for you yesterday.When she…He was doing …When she called him up, he was sleeping.Make up the sentences.call upsleepwatch TVread booksWhen he…They were doing…When he was watching TV, they were reading books.While he…His friend was doing …While he was walking to school, his friend was having breakfast.walk to schoolhave breakfastWhile she…He was doing…While she was sleeping, he knocked the door.sleep knock the door
When she called him up, he was sleeping.
When he was watching TV, they were reading books.
While he was walking to school, his friend was having breakfast.
While she was sleeping, he knocked the door.?总结Group work：
总结when 和while 的意义和用法。?
1）when ，while都表示“当…时候”，引导时间状语从句。
2) when可指时间点, 又可指时间段, 从句中可用延续性动词, 也可用
非延续性动词，可以接过去进行时，也可以接一般过去时。
?3) while总是指一个时间段, 从句中必须用延续性动词，后接过去进行时。1. It _______ heavily when I left the cinema.
A. is raining B. will rain C. was raining
2. I ______ my clothes, and the phone rang.
A. was washing B. washed C. am washing
3. My brother came back home while I ______
homework.
A. am doing B. were doing C. was doing
4. — Did you watch the football match yesterday?
— Yes, I did. You know, my brother _____ in the match.
A. is playing B. was playing C. will play
抢答5. My best friend visited my house while I
_______ dinner in the kitchen.
A. cooked B. cooking C. was cookingExercisesFill with “While” or “When”1.____ May was talking on the phone, her sister walked in.
2.____ Rita bought her new dog, it was wearing a little coat.
3._____ I saw Carlos, he was wearing a green shirt.
4._____ I was dancing, he was singing loudly.
5. _____ Linda finally saw Davy , he was jumping with a dog .
6. I was cleaning my room ________ the fire broke out .WhenWhileWhileWhenWhenwhenWhat were you doing at these times last Sunday? Fill in the chart. Then ask your partner，and then write an article.writing Last Sunday, I was…Thank you
