课件63张PPT。Unit 5Grammar focusWhat 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 “当……的时候”.Are they the same?
No ！！！when and whilewhenwhen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。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。 while1) 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. Practice1. 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 watchingcalledrangwas writingwere havingstartedwas sleepingstole5. 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 waitingwas runningwas phoningcamewere testingwentwas making rangTranslationTranslate the following sentences into English.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. ( ) 1. Mary ______ a dress when she cut her finger.
A. made B. is making
C. was making D. makes Practice解析： 割伤手指是已发生的事情，应用过去时。同时，when表时间的同时性，“玛丽在做衣服时”提供事情发生的背景，因此用过去进行时。C( ) 2. While she ___ the newspaper, Granny ___ asleep.
A. read; was falling B. was reading; fell
C. was reading; was falling D. read; fell 解析：while “当……之时”。描述一件事发生的背景时，用过去进行；一个长动作发生的时候，另一个短动作发生。句意为 “在她看报纸时，奶奶睡着了” 。句中的 fell (fall的过去时)是系动词，后跟形容词，如fall sick。 过去进行时的基本用法: 表示过去某个时刻或时间正在进行过持续进行的动作, 句中往往需要有时间状语来表示这一特定的时间。 What were they doing just now? 他们刚才在干什么?B4aLook 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.4bFill 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 ______whilewaswasWhileWhenwasin bad shape from hitting a tree. But luckily, the driver _______ fine. The roads ________ icy because of the heavy snow from the night before.waswere— Miss Lin _____ my desk-mate with her lessons when I left school. —She is really a nice teacher.（2015福州）
A. helps B. is helping C. was helping
(2011?梧州) I?met?a?good?friend?of?
mine?while?I?_______ on?the?street． A. walks???? B. walk???
C. was?walking???? D. am?walking CCWhat were you doing at 9 o’clock last night? I was doing some housework.I was having dinner.Ask and answer.What were you doing between 7o’clock and 9 o’clock yesterday?I was doing my homework.I was watching TV.What was your father doing when you
came back home yesterday?He was cooking.What was your brother doing when
you saw him half an hour ago?He was playing computer games.What was Tom doing at that time last Sunday?He was playing the piano.He 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。 Past Progressive Tense1. 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 试比较:
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。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。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 o’clock 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.4cWhat were you doing at these times last Sunday? Fill in the chart. Then ask your partner.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 helpingwas having3. 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 talkingwas waitingleavingⅡ. 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 drawingWas babysitting3. 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 doingⅢ. 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. whenWhile3. 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 whileWhile1. What ______ (be) you ______ (do) when he arrived?
2. Jim ______________ (sleep) when I came in.
3. They _____________ (watch) TV at 8:00 yesterday evening.
4. Now he ___________ (read) and __________. were doing was sleeping were watching is reading writingA. Fill in the blanks with the given words.B. Translate these sentences into English.1. 上课铃响时，你在干什么？
What ________ you ______when the class bell rang?
2. 当我妈妈进来时我正在看书。
I ______________when my mother came in.
3. 昨天晚上十点钟她正在做饭。
She ____________ at ten o’clock __________________________________.weredoingwas readingwas cookinglast night / yesterday evening4. 当天开始下雨时, 孩子们正在玩游戏。
The children ______________ games when it ______ to rain.
5. 当我进来时，那只猫逃跑了。
The cat _________ when I ________.were playing beganran awaycame in 6. 飞机在伦敦着陆时, 天正下着雨。
It ___________ when the plane ________ in London.
7. 电话铃响的时候, 我正在吃早饭。
I ____________ breakfast when the telephone __________.
8. 琳达睡觉时发生了什么事？
_____________while Linda was sleeping?was raininglandedwas having rangWhat happened( ) 1. －I called you last night , but you didn’t answer. －Sorry, Grace. I _____ I am A Singer when the phone rang. （2015长沙）
A. am watching
B. was watching
C. have watchedB[中考链接]( ) 2. －I called you at half past nine this morning, but there was no answer. －Oh, sorry. I _____ with my cousin in the supermarket. （2015克拉玛依）
A. shopping
B. was shopping
C. shopped
D. will shopB( ) 3. －Our classmates went to a concert yesterday afternoon. －What a pity! I _____ my homework. （2015泰安）
A. had done
B. was doing
C. am doing
D. would doB( ) 4. －Lucy, what were you doing at nine last night? －I _____ the piano. I usually practice the piano at that time. （2015襄阳）
A. play
B. played
C. was playing
D. am playingC( ) 5. Millie _______ a picture when Mr Green came in. (2013江苏徐州)
A. draw B. will draw
C. drew D. was drawing
( ) 6. What ______ you ______ when the captain came in? (2013黑龙江齐齐哈尔)
A. are; doing B. did; do C. were; doingDC( ) 7. —Mr. Li ______ to Mary carefully when I entered the classroom this morning.
—He is very patient ______ he is young. (2013广东梅州)
A. talking; but B. was talking; though
C. talks; though D. talked; however B( ) 8. When Jim’s mother came in, he _____ his homework. (2013湖南长沙)
A. is doing B. has done C. was doing C( ) 9.—Was Kate at the party last night?
—Yes, she _____ a really nice dress. (2013江苏盐城)
A. is wearing B. was wearing
C. would wear D. has wornB( ) 10. —Sam, what will the weather be like tomorrow?
—Sorry, Mum. I didn’t watch the weather forecast just now. I _____ a football match. (2013 浙江衢州)
A. was watching
B. am watching
C. would watch
D. will watchA( ) 11. —I was at the cinema at nine o’clock yesterday evening. What about you?
—I ________ TV at home. (2012贵州铜仁)
A. am watching B. was watching
C. will watch D. watchedB( ) 12. Jenny _____ in the kitchen when you called her at 5 o'clock this afternoon. (2012广东)
A. is cooking B. was cooking C. cooks D. CookedB课件23张PPT。Self CheckUnit 5单元复习单元目标when, while过去进行时1. 概念: 表示过去某个时刻或过去一段时 间正在进行的动作。
2. 句子结构: 主语 + was/were + doing sth. + 时间状语
3. 时间状语词: at 5:00 yesterday afternoon, at that time, then 等连用, 或者用另一动作来表示过去的时间。如：过去进行时They were playing basketball when she arrived.
While they were playing basketball, she arrived.过去进行时着重描述当时正在持续进行的动作，它的特点是：暂时，持续和未完成，强调过程；
一般过去时表示发生过的动作或存在的状态，即表示动作发生过，而且已经结束了，强调结果。 过去进行时与一般过去时的区别1) Shirley ______ a book about China last year but I don’t know whether she had finished it．
A. has written??? B. wrote
C. had written??? D. was writing D2) Mary ____?a dress when she cut her finger.
A. made???? ?B. is making
C. was making??? ? D. makes was making 表示正在做衣服的过程，如用made 则表示这一动作已结束，做衣服的动作已结束与 cut her finger 就没有联系。C3) He ______ (write) a letter, then went to bed.wrotewrote 表示动作已结束，做另一件事，如用was writing 就与 went to bed 在逻辑上相矛盾。过去进行时侧重表示动作延长的时间长度; 一般过去时表示过去某时发生过某事，侧重说明事实。 He ___________ all night last night.
（生动的描写，他一直写……）
He ________ something last night．
（说明他写了……的事实）was writingwrote注：下列几类动词通常不用过去进行时。
① 表示状态的动词 be；
② 感官动词：feel, hear, see, smell, taste等;
③ 表示思维或心理状态的动词：believe (认为), forget, consider, know, remember, hope, wish, want 等；
④ 表示所属关系的动词：belong, have, own, hold (容纳)等。Self Check1 Fill in the blanks with when or while.1. ________ I was walking home from
school, I saw a strange light in the sky. But ________ I pointed it out to my friend, it went away.Whilewhen2. ________ I told my older brother about the strange light in the sky, he just laughed and didn’t believe me.
3. ________ my brother was laughing, the television news reported that other people had seen the light as well.WhenWhile2 Fill in the blanks with the correct forms of the words in brackets.When I ________ (be) in the sixth grade, I _______ (join) a piano competition. I _________(practice) for four hours every day and my piano teacher ______ (come) three times a week to _______ (help) me. Then the big day finally _______(arrive). I ______ (be) so nervous when they _____ wasjoinedpracticedcamehelparrivedwascalled(call) my name. I _______ (go) up and ________ (start) to play. While I
___________ (play), everyone _______ (sit) still and listened. I played the song without any mistakes. Then I _______ (wait) for them to call out the winner. wentstartedwas playingsatwaitedWhen I ______ (hear) my name, my heart ____________ (beat) so quickly that I thought I would stop breathing. I couldn’t believe it. I _______ (win)! It _______ (be) the happiest day of my life!heardwas beatingwonwas一、 单项选择。
1. — It’s raining outside. Let’s stay at home.
— OK. We can watch a movie.
A. heavily
B. slowly
C. quickly
D. hardlyA2. My father was so tired. He as soon as he lay in bed.
A. put up B. woke up
C. fell asleep D. fell down
3. When my mother was folding the clothes, I the house.
A. leave B. am leaving
C. left D. will leaveCC4. — What you when I called you yesterday?
— I ________ the floor.
A. were; doing; was sweeping
B. did; do; am sweeping
C. were; doing; swept
D. did; do; sweepA5. — ?
— It was sunny but windy.
A. How’s the weather
B. What weather did you like
C. What happened yesterday
D. What was the weather like yesterdayD二、 完成句子。
1. 最终他们找到几片木头。
They found some _______ of wood finally.
2. 昨夜暴风雨逐渐停息了。
The rainstorm slowly _______ _______ last night.piecesdied down3. 因为大雪学校昨天停课了。
Because of the heavy snow, _______ _______ yesterday.
4. 我在等公共汽车时遇见了我的老师。
I met my teacher while I was _______ _______the bus.
5. 你不必抄写这么多遍单词。
You don’t need to copy the words _______ _______ times.closed
for so manyschoolwaiting
