(共32张PPT)
Unit 8 Natural Disasters
牛津译林版 八年级上
第3课时 Grammar
Lead-in
See some pictures of the Taiwan Earthquake
◆What was Timmy doing when the earthquake started
He was sleeping when the earthquake started.
Lead-in
See some pictures of the Taiwan Earthquake
◆What were people doing while pieces of glass and bricks were falling down
People were running in all directions while pieces of glass and bricks were falling down.
Lead-in
See some pictures of the Taiwan Earthquake
◆What did Timmy suddenly hear as he was trying to find his way out
As I was trying to find my way out, I suddenly heard some noise above me.
Lead-in
Watch a video and then answer a question
Lead-in
Watch a video and then answer a question
◆What were people doing when the earthquake happened
The past continuous tense
过去进行时
Presentation
◇Look at the sentences.
He was watching TV at nine yesterday.
We were sleeping when you came.
She was cooking dinner at that time.
They were playing football that afternoon.
You were reading when the telephone rang.
I was washing my car at this time yesterday.
What’s the rule
Discovering
Presentation
Use the rule!
Discovering
◇Circle the right verb.
At this time yesterday, she is reading/was reading in the study.
What were you doing/did you do at nine o’clock last night
I am chatting/was chatting online with my friends when he came.
It was raining/were raining yesterday.
Presentation
Work out the rule!
Discovering
Essential Structure
was / wasn’t were / weren’t
+ doing
sb +
Presentation
Work out the rule!
Discovering
◆We use “was + doing” with the pronoun _____, _____, _____ and _____.
◆We use “were + doing” with the pronoun _____, _____ and _____.
he she it I
you they we
Presentation
Usage
To talk about things that were happening at
a particular time in the past.
e.g. I was reading a book at 5 p.m. yesterday.
She wasn’t chatting online just now.
Were your parents watching TV at 9 last night
What were they discussing all day last Sunday
Explaining
Practice
Communication show
1
2
3
at this time yesterday
the whole night yesterday
at 4 p.m. yesterday
Make sentences
Practice
Communication show
Make sentences
1. The boys were playing football
at 4 p.m. yesterday.
2. The woman was shopping
at this time yesterday.
3. The girl was reading
the whole night yesterday.
Practice
Complete Part A on Page 97.
Mr. Wu: What a terrible snowstorm! It started at about seven thismorning. l ______________ (read) the newspaper then.
What_________you ___________ (do),Simon
Simon: I_____________ (have)breakfast.
Mr. Wu: What about you, Millie
Millie: I______________(walk) to the bus stop. Sandy, I saw you and your parents standing on the sideof the road.________ you_______ (wait) for a taxi Sandy: Yes. My dad's car broke down because of the cold weather. He_____________ (ring) someone tocome and help when you saw us.
was reading
were doing
was having
was walking
were waiting
was ringing
Extension
Entrance examination link
1. —Was Kate at the party last night
—Yes, she _____ a really nice dress.（2013·盐城市）
A. is wearing B. was wearing
C. would wear D. has worn
2. Millie ____ a picture when Mr Green came in.（2013·徐州市）
A. draw B. will draw
C. drew D. was drawing
√
√
Extension
Entrance examination link
3. Sally took a photo of her friends while they _____ computer games.（2013·杭州市）
A. play B. are playing C. have played D. were playing
4. —Has David finished his project yet
—I guess not. He _____ on it at lunchtime. Do you want to confirm it （2014·无锡市）
A. is working B. was working C. has worked D. had worked
√
√
Extension
Entrance examination link
5. Susan and Lily _____ tomatoes and other vegetables on the farm this time yesterday.（2014·上海）
A. pick B. are picking C. will pick D. were picking
6. —Alan! Why are you so late
—Sorry! When I _____ home, I met one of my friends.（2014·威海）
A. went B. am walking C. has gone D. was walking
√
√
Extension
Comparison
◆Past continuous tense:
sb + was/were + doing
◆Present continuous tense:
sb + am/is/are + doing
◆Simple past tense:
sb + was/were/did
Presentation
Difficulty: when, while, as
They all mean “during the time that” and can be used to introduce a long action that started before a short action.
e.g. When/While/As Millie was watching TV,
Andy came into the sitting-room.
_______________
long action
____________________
short action
Tip
We use past continuous tense for long actions and past tense for short actions.
Presentation
Attention
If the longer action is in the main clause, we
often use “when” to join them.
e.g. Millie was watching TV when Andy came into the sitting-room.
__________________
longer action
Presentation
Attention
2. When there are two long actions, we often
use “while”.
e.g. While Millie was watching TV,
Eddie was sleeping.
__________________
long action
_______________
long action
Presentation
Attention
3. “As” can also be used to join two short
actions that happen at the same time.
e.g. As Millie sat down on the sofa,
Andy came into the sitting-room.
_____________________
short action
_________________________
short action
Practice
Fill in the blanks
It began to rain ________________ Linda was having supper.
2. What were you doing _______ Mr Jackson came into the classroom
3. __________________ you are driving, don’t use your mobile phone.
4. _____ years go by, China is getting richer and stronger.
when/while/as
when
When/While/As
As
when, while, as
Practice
Complete Part B on Page 98.
1.__________Simon__________(arrive),Amy________________(get)some snow from the ground.
2. __________Suzy and Kitty________________(build)a snowman,Millie ________________(take)photos.
3.Daniel __________(fall) over___________he _____________(make)a big snowball.
4.Peter ____________(hide)behind a tree _______ a snowball__________
(hit)him.
5. __________Millie and her classmates_______________(play)in the snow,Andy ______________(run)towards them.
When
arrived
was getting
While
were playing
were building
was taking
fell
while was making
was hiding while was hitting
was running
As
Activity
Complete the survey with your own information.
What were you doing in the
_____ class this morning
Chinese __________ __________
English __________ __________
Music __________ __________
Maths __________ __________
Pair work: Ask a partner and write his/her answers.
You
Your partner
Activity
What was/were … doing when the doorbell rang
Sandy
Sammy
father
mother
twin brothers
dog
Activity
A: What was the boy doing at the table at 5 p.m. yesterday
B: He was talking with a girl.
A: Was the girl writing
B: No, she wasn’t.
Exercise
一、用括号中单词的适当形式填空。
1. He asked me if I ____________ (go) fishing that afternoon.
2. When the bell rang, jenny _______________ (wait) in her seat.
3. She ___________ (make) her dress the whole afternoon.
4. When I came in the room, he _____________ (read) something
5. When we _______ (arrive) at the village, it was raining hard.
was going
was waiting
was making
was reading
arrived
Exercise
二、单项选择。
（ ）1.He said he __ to draw a plane on the blackboard at that time.
A. tries B. tried C. was trying D. will try
（ ）2.They _____ a football game from 7 to 9 last night.
A. were watching B. watch C. watched D. are watching
（ ）3.It was Friday evening. Mr. Green __ ready to fly to England.
A. are getting B. get C. was getting D. got
（ ）4.He __ his father on the farm the whole afternoon last Saturday.
A. helps B. would help C. was helping D. is helping
（ ）5.They wanted to know how he ___ on with Tom.
A. was getting B. gets C. is getting D. will get
C
C
A
C
A
Homework
1. Review grammar learned in this class.
2. Preview Integrated skills.
谢谢
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https://www.21cnjy.com/help/help_extract.phpUnit 8 Natural Disastes第3课时习题
一、单项选择。
1.--- What were you doing this time yesterday --- I _____ on the grass and drawing a picture.
A. sit B. sat C. am sitting D. was sitting
2. When I came back yesterday evening, my brother _____ his homework.
A. is doing B. has done C. was doing D.does
3. --- I called you at 4:00 yesterday afternoon, but no one answered.
--- Sorry, I _____ with my friends at that time.
A. swim B. swam C. will swim D. was swimming
4. --- Amy, I called you yesterday evening, but nobody answered the phone.
--- Oh, I ____ a walk with my mother at that time.
A. take B. took C. am taking D. was taking
5. He _____ when the UFO arrived. He didn’t wake until the UFO disappeared.
A. slept B. was sleeping C. was doing homework D. was singing
二、根据括号中单词的适当形式填空。
1.People were running wildly while pieces of bricks __________ (fall) down.
2.Natural disasters may ________ (cause) by bad weather.
3. I _____ (have) my breakfast at half past six yesterday morning.
4. Was your father at home yesterday evening Yes ,he was. He _____ (listen) to the radio.
5. Later his parents found that he _____ (sit) on some eggs.
三、按要求转换下列句型。
1. We were having a PE class at four yesterday afternoon.(改为否定句)
We ______ ______ a PE class at four yesterday afternoon.
2. Kate was reviewing her lessons at eight last night.(改为一般疑问句,并做肯、否定回答)
________ Kate _______her lessons at eight last night
________ , she ________. ________ , she _______ .
3. He ran in the park.(用at this time yesterday改写)
He _______ ________in the park at this time yesterday.
4. They were playing computer games at nine last night.(对划线部分提问) ________ ________ they _______ at nine last night
5. I was reading a novel at three yesterday afternoon.(对划线部分提问) _________ ________ you ________ at three yesterday afternoon
四、翻译句子。
1. 上周这时候你正在干嘛？
.
2. 去年夏天的这个时候我正在英国度假。
.
3. 当我在看电视的时候，他正在听音乐。
.
4. 当汤姆正在看电视的时候，安迪进入了房间。
.
5. 当他昨天来的时候，我们正在打篮球。
.
五、根据汉语提示，完成下列句子，每空填一词。
1.那时他们不在打排球。
They _______ _______ volleyball at that time.
2.当你回来时,他在看电视吗
________ he ________TV when you came back
3.昨天中午他在哪里等你
______ _______ he _______for you at noon yesterday
4.当我离开时,他正在做家庭作业。
He _____ _____ his homework when I left.
5.正当他们扫地的时候,老师进来了。
While they ______ ______ the floor, the teacher came in.
参考答案
一、
D C D D B
二、
1.were falling
2.be caused
3.wa s having
4.was listening
5.was sitting
三、
1.weren't having
2. Was, reviewing, Yes, was, No, wasn't
3. was running
4.What were, doing
5.What were, reading
四、
What were you doing this time last week
2.I was taking a vacation in the UK this time last summer.
3.While I was watching TV, he was listening to music.
4.When/while/as Tom was watching TV,Andy came into the room.
5.When he came yesterday, we were playing basketbal1.
五、
1.weren't playing
2.Was, watching
3.Where was, waiting
4.was doing
5.were sweep
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）牛津译林版英语八年级上册Uni8第3课时教学设计
课题 Natural Disasters 单元 Unit8 学科 英语 年级 八年级
学习目标 知识与能力目标：1. use the past continuous tense to talk about things that were happening at a particular time in the past;2. use conjunctions of time “when, while, as” to talk about things.过程与方法：To master the grammar of the past continuous tense.情感态度与价值观：Improve students’ ability and develop students’ awareness of natural disasters.
重点 The analysis of sentence structure.
难点 To make up sentence by using the sentence structure skillfully.
教学过程
教学环节 教师活动 学生活动 设计意图
导入新课 Lead-in(4’)1. Show some pictures of the Taiwan Earthquake, and ask three questions:What was Timmy doing when the earthquake started What were people doing while pieces of glass and bricks were falling down What did Timmy suddenly hear as he was trying to find his way out 2. Watch a video and then answer a questionWhat were people doing when the earthquake happened 观看图片或视频，回答问题。 有目的、有意义地导入，既复习了阅读部分学习的内容，同时也引导学生思考过去进行时态。
讲授新课 Grammar presentation(10’)1. Ask the students to read the sentences on the screen to discover the ruleRead these sentences and try to find out the rule. 2. Circle the verbs in the past continuous tense3. Work out the rule (1) Explain the structure of the past continuous tense. (2) Explain the usage of the past continuous tense. Exercise1. Make sentencesAsk the students to watch the pictures and make sentences.The boys were playing football at 4 p.m. yesterday.The woman was shopping at this time yesterday.The girl was reading the whole night yesterday.2. Change sentencesGet the students to put the three sentences into negative, general questions and make responses.3. Complete Part A on Page 97Extension1. Get the students to complete some questions on the entrance examinations.2. Compare the past continuous tense with the present continuous tense and the simple past tense.Presention1. Explain the usage of “when”, “while, “as” T: They all mean “during the time that” and can be used to introduce a long action that started before a short action.2. Explain the differences among “when”, “while, “as” If the longer action is in the main clause, we often use “when” to join them. When there are two long actions, we often use “while”. “As” can also be used to join two short actions that happen at the same time.Exercise 1. Fill in the blanksGet the students to fill in the blanks with “when”, “while” or “as”.2. Complete Part B on Page 98Activity1. Do a surveyGet the students to complete the survey with their own information.2.Look and answerGet the students to watch the pictures and answer thequestions.3.Look and sayGet the students to watch the picture and makedialogues in pairs.ExerciseHomework(2’)1. Review grammar learned in this class.2. Preview Integrated skills. 1.回答问题2.圈出句子中的动词形式3.根据句子找出规律。用所学句子结构写简单句子。总结并练习。观察并总结相关规律掌握 “when”, “while, “as”的用法练习语法，分析句子成分，查漏补缺，及时发现并解决问题。积极参加活动，小组成员合理分工。 练习。 采用归纳教学法，让学生自己发现语法规则更符合现有的心智结构，更便于记忆与运用。针对前面讲解进行针对性练习。通过选取中考题中与过去进行时相关的部分，并帮助学生弄清楚过去进行时与现在进行时和一般过去时的区别。使学生理解三个连词的共同点和各自的不同点。通过练习，考察学生是否真的掌握了语法点，帮助学生学会正确使用when，while和as。创造活动，鼓励学生参与，激发学生兴趣，使学生能够做出实际真实的回应。锻炼小组合作能力。再次巩固本堂所学，帮助学生梳理主要内容。为学生们的作业做铺垫。
课堂小结 对过去进行时学习，分析句子结构。
板书 Unit 8 Natural DisastersSb+ was / wasn’t +doing
were / weren’t
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）(共30张PPT)
Unit 8 Natural Disasters
牛津译林版 八年级上
第3课时 Grammar
Lead-in
See some pictures of the Taiwan Earthquake
◆What was Timmy doing when the earthquake started
He was sleeping when the earthquake started.
Lead-in
See some pictures of the Taiwan Earthquake
◆What were people doing while pieces of glass and bricks were falling down
People were running in all directions while pieces of glass and bricks were falling down.
Lead-in
See some pictures of the Taiwan Earthquake
◆What did Timmy suddenly hear as he was trying to find his way out
As I was trying to find my way out, I suddenly heard some noise above me.
Lead-in
Watch a video and then answer a question
Lead-in
Watch a video and then answer a question
◆What were people doing when the earthquake happened
The past continuous tense
过去进行时
Presentation
◇Look at the sentences.
He was watching TV at nine yesterday.
We were sleeping when you came.
She was cooking dinner at that time.
They were playing football that afternoon.
You were reading when the telephone rang.
I was washing my car at this time yesterday.
What’s the rule
Discovering
Presentation
Use the rule!
Discovering
◇Circle the right verb.
At this time yesterday, she is reading/was reading in the study.
What were you doing/did you do at nine o’clock last night
I am chatting/was chatting online with my friends when he came.
It was raining/were raining yesterday.
Presentation
Work out the rule!
Discovering
Essential Structure
was / wasn’t
were / weren’t
+ doing
sb +
Presentation
Work out the rule!
Discovering
◆We use “was + doing” with the pronoun _____, _____, _____ and _____.
◆We use “were + doing” with the pronoun _____, _____ and _____.
he she it I
you they we
Presentation
Usage
To talk about things that were happening at
a particular time in the past.
e.g. I was reading a book at 5 p.m. yesterday.
She wasn’t chatting online just now.
Were your parents watching TV at 9 last night
What were they discussing all day last Sunday
Explaining
Practice
Communication show
1
2
3
at this time yesterday
the whole night yesterday
at 4 p.m. yesterday
Make sentences
Practice
Communication show
Make sentences
1. The boys were playing football
at 4 p.m. yesterday.
2. The woman was shopping
at this time yesterday.
3. The girl was reading
the whole night yesterday.
Practice
Complete Part A on Page 97.
Mr. Wu: What a terrible snowstorm! It started at about seven thismorning. l ______________ (read) the newspaper then.
What_________you ___________ (do),Simon
Simon: I_____________ (have)breakfast.
Mr. Wu: What about you, Millie
Millie: I______________(walk) to the bus stop. Sandy, I saw you and your parents standing on the sideof the road.________ you_______ (wait) for a taxi
Sandy: Yes. My dad's car broke down because of the cold weather. He_____________ (ring) someone tocome and help when you saw us.
was reading
were doing
was having
was walking
were waiting
was ringing
Extension
Entrance examination link
1. —Was Kate at the party last night
—Yes, she _____ a really nice dress.（2013·盐城市）
A. is wearing B. was wearing
C. would wear D. has worn
2. Millie ____ a picture when Mr Green came in.（2013·徐州市）
A. draw B. will draw
C. drew D. was drawing
√
√
Extension
Entrance examination link
3. Sally took a photo of her friends while they _____ computer games.（2013·杭州市）
A. play B. are playing C. have played D. were playing
4. —Has David finished his project yet
—I guess not. He _____ on it at lunchtime. Do you want to confirm it （2014·无锡市）
A. is working B. was working C. has worked D. had worked
√
√
Extension
Entrance examination link
5. Susan and Lily _____ tomatoes and other vegetables on the farm this time yesterday.（2014·上海）
A. pick B. are picking C. will pick D. were picking
6. —Alan! Why are you so late
—Sorry! When I _____ home, I met one of my friends.（2014·威海）
A. went B. am walking C. has gone D. was walking
√
√
Extension
Comparison
◆Past continuous tense:
sb + was/were + doing
◆Present continuous tense:
sb + am/is/are + doing
◆Simple past tense:
sb + was/were/did
Presentation
Difficulty: when, while, as
They all mean “during the time that” and can be used to introduce a long action that started before a short action.
e.g. When/While/As Millie was watching TV,
Andy came into the sitting-room.
_______________
long action
____________________
short action
Tip
We use past continuous tense for long actions and past tense for short actions.
Presentation
Attention
If the longer action is in the main clause, we
often use “when” to join them.
e.g. Millie was watching TV when Andy came into the sitting-room.
__________________
longer action
Presentation
Attention
2. When there are two long actions, we often
use “while”.
e.g. While Millie was watching TV,
Eddie was sleeping.
__________________
long action
_______________
long action
Presentation
Attention
3. “As” can also be used to join two short
actions that happen at the same time.
e.g. As Millie sat down on the sofa,
Andy came into the sitting-room.
_____________________
short action
_________________________
short action
Practice
Fill in the blanks
It began to rain ________________ Linda was having supper.
2. What were you doing _______ Mr Jackson came into the classroom
3. __________________ you are driving, don’t use your mobile phone.
4. _____ years go by, China is getting richer and stronger.
when/while/as
when
When/While/As
As
when, while, as
Practice
Complete Part B on Page 98.
1.__________Simon__________(arrive),Amy________________(get)some snow from the ground.
2. __________Suzy and Kitty________________(build)a snowman,Millie ________________(take)photos.
3.Daniel __________(fall) over___________he _____________(make)a big snowball.
4.Peter ____________(hide)behind a tree _______ a snowball__________
(hit)him.
5. __________Millie and her classmates_______________(play)in the snow,Andy ______________(run)towards them.
When
arrived
was getting
While
were playing
were building
was taking
fell
while was making
was hiding while was hitting
was running
As
Activity
Complete the survey with your own information.
What were you doing in the
_____ class this morning
Chinese __________ __________
English __________ __________
Music __________ __________
Maths __________ __________
Pair work: Ask a partner and write his/her answers.
You
Your partner
Activity
What was/were … doing when the doorbell rang
Sandy
Sammy
father
mother
twin brothers
dog
Activity
A: What was the boy doing at the table at 5 p.m. yesterday
B: He was talking with a girl.
A: Was the girl writing
B: No, she wasn’t.
Exercise
一、用括号中单词的适当形式填空。
1. He asked me if I ____________ (go) fishing that afternoon.
2. When the bell rang, jenny _______________ (wait) in her seat.
3. She ___________ (make) her dress the whole afternoon.
4. When I came in the room, he _____________ (read) something
5. When we _______ (arrive) at the village, it was raining hard.
was going
was waiting
was making
was reading
arrived
Exercise
二、单项选择。
（ ）1.He said he __ to draw a plane on the blackboard at that time.
A. tries B. tried C. was trying D. will try
（ ）2.They _____ a football game from 7 to 9 last night.
A. were watching B. watch C. watched D. are watching
（ ）3.It was Friday evening. Mr. Green __ ready to fly to England.
A. are getting B. get C. was getting D. got
（ ）4.He __ his father on the farm the whole afternoon last Saturday.
A. helps B. would help C. was helping D. is helping
（ ）5.They wanted to know how he ___ on with Tom.
A. was getting B. gets C. is getting D. will get
C
C
A
C
A
Homework
1. Review grammar learned in this class.
2. Preview Integrated skills.
