Unit 5 What were you doing when the rainstorm came？-Grammar Focus (课件44张无音频)

(共44张PPT)
What were they doing when it began to rain
They were playing computer games when it began to rain.
They were playing chess when it began to rain.
They were playing football when it began to rain.
While Jake was sleeping, what did his brother do
He played basketball.
When Jake was sleeping, his brother played basketball.
While they were dancing, the telephone rang.
When the telephone rang, they were dancing.
While they were dancing, what happened
He was singing when the baby started to cry.
While he was singing, the baby started to cry.
While he was walking, a taxi came.
He was walking when a taxi came.
Both of them mean
Are they the same
No ！！！
when
when引导的时间状语从句可以表示一个时间点, 也可以表示一个时间段。从句中可以用短暂性动词，也可以用延续性动词。
It was snowing when we got to the airport.
我们到达机场时， 天正下着雪。
My key dropped on the ground when I was walking in the park.
我在公园散步时， 钥匙掉在了地上。
when and while “当……的时候”
while引导的时间状语从句常指一个时间段，从句中的动词常为延续性的。while有时还可表示主句的动作与从句的动作同时发生。
While he was reading, the phone rang.
他正在看书时，电话铃响了。
Some students were reading while others were writing.
一些学生在读书，另一些学生在写字。
while
1) 若从句是一个短暂性动作，主句是一个持续性动作，可用 when 但不用 while：
It was raining hard when we arrived.
我们到达时正下着大雨。
2) 表示主、从句正在进行的动作或状态的对比时多用while：
While she was making a phone call, I was writing a letter.
when 和 while 的区别
3) when 可用作并列连词，表示“这时(突然)”，但while不可以；while 可以用作并列连词，表示“而、却”(表示对比)，但when没有这种用法。
We were about to start when it began to rain.
He likes coffee, while she likes tea.
1. I ______________ (watch) TV when she _______ (call).
2. When the phone _______ (ring), she ___________
(write) a letter.
3. While we ____________ (have) a picnic, it _________
(start) to rain.
4. While John ____________ (sleep) last night, someone
_______ (steal) his car.
was watching
called
rang
was writing
were having
started
was sleeping
stole
5. While we ____________ (wait) for the bus, a girl
____________ (run) up to us.
6. I ____________ (telephone) a friend when Bob _______
(come) in.
7. While mother ___________ (make) the bed, the door bell
________ (ring).
8. We ____________ (test) the new machine when the
electricity ________ (go) off.
were waiting
was running
was phoning
came
were testing
went
was making
rang
Translation
1. 当开始下雨的时候，我正和朋友们在操场上打篮球。
I was playing basketball with my friends in the playground when it started to rain.
2. 我当时甚至不知道我正在做什么。
I did not even know what I was doing at that time.
3. 当我妈妈在做晚饭的时候，我在卧室做作业。
I was doing my homework in the bedroom while my mother was cooking supper.
4. 当我今天早上看到她时，她正急匆匆地赶去上班。
When I saw her this morning, she was in a great hurry to go to work.
4a
Look at the table and write sentences with both while and when.
While John was taking photos, Mary bought a drink.
John was taking photos when Mary bought a drink.
While John was playing the piano, Mary left the house.
John was playing the piano when Mary left the house.
While John was cleaning his room, Mary turned
on the radio.
John was cleaning his room when Mary turned on
the radio.
While John was shopping, Mary took the car to the
car wash.
John was shopping when Mary took the car to the
car wash.
4b
Fill in the blanks with was, were, when or while.
At 7:00 a.m., I woke up. _______ I ______ making my breakfast, my brother _______ listening to the radio. _______ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. _______ we got to the place of the accident, the car ______ in bad shape from hitting a tree.
while
was
was
While
When
was
But luckily, the driver ______ fine. The roads ______ icy because of the heavy snow from the night before.
was
were
What were you doing at 9 o’clock last night
I was doing some housework.
I was having dinner.
What were you doing between 7o’clock and 9 o’clock yesterday
I was doing my homework.
I was watching TV.
What was Tom doing at that time last Sunday
Tom was playing the piano.
Bob was riding a bike.
How about David
What were they doing at that time last week
They were shopping.
How about them
They were having a picnic.
(过去进行时)
过去进行时表示过去某一时刻或某段时间正在进行的动作。过去进行时由“was / were + 动词-ing形式”构成。
1. 过去进行时的各种句式:
肯定句: 主语+ was / were + 动词-ing形式
否定句:主语+ was / were + not + 动词-ing形式
I was reading at this time yesterday.
昨天这个时候我正在看书。
I wasn’t reading at this time yesterday.
昨天这个时候我没在看书。
疑问句: (1)一般疑问句: was / were + 主语+ 动词-ing形式。肯定回答: Yes, 主语+ was / were.否定回答: No, 主语+ wasn’t / weren’t. 如：
—Were you reading at this time yesterday
昨天这个时候你在看书吗？
— Yes, I was. / No, I wasn’t.
是的，我在看。/ 不，我没在看。
(2)特殊疑问句：疑问词+ was / were + 主语+ 动词-ing形式。如：
What were you doing at this time yesterday
昨天这个时候你在做什么？
What was he researching all day last Sunday
上周日他一整天都在研究什么？
(1)表示过去某一时刻或某一段时间内正在进行的动作，常与时间状语at that time, at that moment, at this time yesterday, at ten o’clock yesterday等连用。如：
2. 过去进行时的基本用法:
Were you playing basketball at four yesterday afternoon
昨天下午四点你们在打篮球吗
(2)表示在过去一段时间内持续进行的动作(有时也可以有间歇)。如：
We were watching TV from seven to nine last night.
昨天晚上七点到九点的时候我们在看电视。
She was singing from 7:00 to 7:30 last night.
她昨晚七点至七点半在唱歌。
特殊用法
(1)常用于介绍故事的背景。如:
(2) when引导的从句表示一个短暂的时间点，谓语动词用一般过去时，主句用一般过去时或过去进行时； while引导的从句表示一段持续的时间，主句为一般过去时，从句谓语动词用过去进行时。如：
Once an Arab was traveling in the desert.
从前，有个阿拉伯人在沙漠中旅行。
(3) 过去进行时常与always, continually等连用, 表示过去反复发生的行为动作，带有赞美、厌烦等感彩。如：
I was writing a letter when he came in.
当他进来时，我正在写信。
The telephone rang while she was washing.
当她正在洗衣服时，电话响了。
He was continually asking her questions.
他一直在问她问题。
一般过去时与过去进行时的动作都是发生在过去。
一般过去时强调动作的发生或状态的存在在过去；
而过去进行时强调动作正在进行的延续性，其结构:
was / were +v.-ing
过去进行时与一般过去时的区别
I got up at five the day before yesterday.
前天我是五点起床的。
He was painting the lab the whole day.
他一整天都在粉刷实验室。
过去进行时的时间状语有:
at this / that time yesterday, the whole evening, all day yesterday等。
试比较:
He introduced Tom to us just now.
刚才他向我们介绍了汤姆。
She was doing some washing all day yesterday.
昨天她一整天都在洗衣服。
一般过去时的时间状语主要有：
yesterday (morning, afternoon, evening), last night (week, month, year), ago, the day before yesterday, in 2003, just now, long, long ago等
Underline the correct form of the verbs.
1. Suddenly, all the lights in my house were going off / went off. There was heavy rain outside.
2. --- I called you up at seven last night, but nobody answered it.
--- Really I’m sorry, but I was teaching / taught a piano lesson at school.
3. --- I was seeing / saw you and Tom in the library just now.
--- Oh, we showed / were showing several visitors around the school.
4c
What were you doing at these times last Sunday Fill in the chart. Then ask your partner.
You Your partner
9:00 a.m.
11:30 a.m.
4:00 p.m.
9:00 p.m.
Ⅰ. 用所给词的适当形式填空
1. I ____________ (help) my mother with housework at ten o’clock last Sunday.
2. The girl ____________ (have) a piano lesson at this time yesterday.
was helping
was having
3. They _____________ (talk) about the film when the teacher came in.
4. While he ____________ (wait) for the bus, he read a newspaper.
5. He said he was ________ (leave) for Shanghai soon.
were talking
was waiting
leaving
Ⅱ. 句型转换
1. Kate was drawing pictures when her mother came back. （改为否定句）
Kate ______ _________ pictures when her mother came back.
2. She was babysitting her sister at this time yesterday. （改为一般疑问句）
______ she ___________ her sister at this time yesterday
wasn’t drawing
Was babysitting
3. They were having a party when I knocked at the door. （就划线部分提问）
______ ______ they ______ when you knocked at the door
What were doing
Ⅲ. 用when或while填空
1. What were you doing ______ the earthquake happened
2. ______ I was shopping in the supermarket, I met my friend Nancy.
when
While
3. I was sleeping ______ my cousin came to see me.
4. My mother was doing the housework ______ I was doing my homework.
5. ______ the alien was in the shop, the girl called the police.
when
while
While
一、用括号内所给动词的适当形式填空。
1．When I got home yesterday afternoon, it _____________(rain) hard.
2．Tom _____________(write) his lessons when he heard a terrible noise outside.
3．I ____________(read) a novel last night when I heard knocks at the door.
4．—Why did the policeman stop your car
—I _____________(make) a call at that moment. What a bad day!
5．We were talking about the school bus when the teacher _______ (come) into the classroom.
was raining
was writing
was reading
was making
came
二、单项选择。
6．(上海中考)Some exchange students ____ with their host families this time yesterday.
A．are chatting B．will chat
C．were chatting D．have chatted
7．(盐城中考)My brother ____ the Indian film Dangal when I phoned him yesterday.
A．watches B．has watched
C．is watching D．was watching
C
D
8．—I called you at 8：30 last night, but you didn't pick up.
—Oh, I____ “Huanlesong Ⅱ”at home at that time.
A．watched B．am watching
C．was watching D．watch
9．—I saw Mr. Smith in the office at ten yesterday morning.
—That's impossible. He ____ an English party with us then.
A．has B．had C．was having D．has had
C
C
10．—Did you watch the football match on TV last night
—I wanted to, but my father ____ his favorite TV program.
A．watched B．watches
C．was watching D．had watched
C
三、按要求完成下列句子。
11．She was doing her homework at six last Friday.(对画线部分提问)
______ was she __________ at six last Friday
12．Kelly played the piano last night.(用at that time代替last night改写句子)
Kelly ____ ________ the piano at that time.
What
doing
was playing
13．I was making dinner at five last Saturday afternoon.(改为一般疑问句并作否定回答)
______ _____ _________ dinner at five last Saturday afternoon
___，___ _______．
14．My father was sweeping the floor.At the same time, my mother was folding the clothes.(合并为一句)
My father was sweeping the floor ______ my mother was folding the clothes.
Were you making
No
I wasn't
while