2015八年级英语下 语法：过去进行时

While I was sleeping, he was eating.
When it …
He was doing…
When it walked on the street he was eating.
When they …
I did…
While they were fighting with each other I slept.
用法二：表示在过去的某个时间，前后两 个动作是同时进行的。
S1: What were you doing while Li Jie was getting ready to go out? S2: I was sleeping while Li Jie was getting ready to go out.
D a shower at that time. (1) I ______
diedyinglielying过去进行时和一般过去时的区别过去进行时一般过去时基本用法表示在过去的某一时刻或某一时间正在进行的动作
过去进行时和现在进行时的区别
现在进行时 含义: 表示现在正在进 行的动作。 结构： is/am/are + doing 例句： I am having an English class. 过去进行时 含义: 表示过去某个时 刻正在进行的动作。 结构: was/were + doing 例句： I was having an English class at this time yestg now?
He is playing football.
What was he doing at three o’clock yesterday afternoon?
He was playing football.
What’s she doing now? She is running.
Ask and answer in pairs
Where were you at 6:00 yesterday evening? What were you doing ?
• 1 in a river • 2 in a park basketball • 3 in a shop shopping • 4 at home • 5 at home homework swimming playing doing some cooking doing my
Fill in the blanks with “while” and “when”.
1. While Tom was eating supper, it began to rain outside. 2. What were you doing, came in? Mr. Zhou when
3. While Peter was sleeping, a thief broke into his house. 4. She left her hometown when she was five.
the UFO landed
Exercises
Fill with “While” or “When ” talking on the phone, her sister 1.____ While May was
walked in. WhenRita bought her new dog, it was wearing a little 2.____ coat. When I saw Carlos, he was wearing a green shirt. 3._____ While I was dancing, he was singing loudly. 4._____ 5. When _____ Linda finally saw Davy , he was jumping with a dog . when 6. I was cleaning my room ________ the fire broke out .
后面跟的动作延续, 常跟过去进行时
While the boy was taking photos, the UFO took off,
Target Language:
比较 “when” and “while”
1. When the alien got out, the girl was shopping
While practice !
Target Language:
比较 “when” and “while”
1. when “当…..时候”
后面跟的动作不延续, 常跟一般过去时
When the UFO took off, the boy was taking photos 1. while “当…..时候”
如果主要动作和背景动作都是延续的或同时发 生的，那么主从句的动词都可用过去进行时
用法三： 描述一件事发生的背景；一个长动作发 生的时候，另一个短动作发生；或一个短动作发 生时，另一个长动作正在进行。
My brother fell while he was riding his bicycle. 长 短 It was raining when they left the station. 长 短
What were they doing when you saw them?
jump
shout
climb
follow
practice When I … He was doing…
When I called him up, it was sleeping.
While I …
He was doing…
1) 过去进行时表示过去正在进行的动作, 而一般过去时则表示一个完整的动作。 如: They were writing letters to their friends last night. (没有说明信是否写完) They wrote letters to their friends last night. (表达了他们已写好的意思, 整个写的过 程已完成。)
dancing
jumping
riding
singing
drinking
lifting playing basketball
writing
climbing relaxing
• 填入以下单词的正确形式。 • 1． It was warm, so I _______(take) off my took coat. was waiting • 2． Jane ___________(wait) for me when I ______(arrive). arrived ate • 3． Sue wasn’t hungry, so she _________(eat) anything. • 4． My brother came into the bedroom while I _________(dance). was dancing • 5． _______ he ________(lie) on the ground Was lying at nine yesterday evening ?
= While the girl was shopping, the alien got out
2. When the UFO landed, the boy was walking down the street.
=
While the boy was walking down the street,
1. 现在分词的构成
1) 一般动词在词尾加- ing,
go – going。
2) 以不发音字母e结尾的动词,先去e,
再加-ing。
come - coming
3) 以重读闭音节结尾的动词,如果末尾
以一个辅音字母结尾,应先双写这个
字母,再加ing, x和w结尾的除外。
get - getting 4) 以字母ie结尾的动词,变ie为y,再加ing。 die→ dying lie→ lying
过去进行时
1. 构成： was / were + doing 2. 用法一：
表示过去某时正在进行的状态或动作。
I was reading a book at 5 p.m. yesterday.
过去进行时的否定式 I wasn’t having an English class at this time 过去进行时的疑问式 Were you having an English class at this time.?
过去进行时常与when, while连用，意思是 "当……之时"。 while后面一般跟延续性动词，常用进行时； when后面既可跟延续性动词，也可跟瞬间动 词，常用过去式。
用法4：过去进行时常与always连用，表示 埋怨，喜爱等感情色彩。 如：My father was always smoking when he was young.
• • • • • • •
• • • •
根据汉语提示完成句子。 1． 他们那时不在打排球。 were playing They _______ _______ volleyball at that time. 2． 当你回来时，他在看电视吗？ Was he _______ watching _______ TV when you came back? 3． 昨天中午他在哪里等你？ Where _______ was waiting for you at noon _______ he _______ yesterday ? 4． 当我离开时，他正在做家庭作业。 was doing He ________ ________ his homework when I left. 5． 正当他们扫地的时候，老师进来了。 were sweeping While they_______ _______ the floor , the teacher came in.
过去进行时和一般过去时的区别 过去进行时 一般过去时 基本 表示在过去的某一时 过去某个时间发生 用法 刻或某一时间正在进 过的动作或存在的 行的动作。 状态。 结构 主语 + was/were + V- 主语 + 动词过去式 形式 ing形式 时间 at7yesterday, at that yesterday, last week, in 1993, once, before, 状语 time, this time last night等;when与while a few days ago等。 引导的时间状语从 句。 友情 表示一个过去正在进 表示过去已经完成 提示 行而可能尚未完成的 的动作。 动作。
• 6． What _____ when was Jim __________(write) writing the teacher came in ? • 7． Mike and I ___________ were playing (play) basketball at that time yesterday afternoon. • 8． My brother ______(fall) while he fell _______(ride) his bicycle and hurt himself. was riding • 9． I first met Lisa three years ago. She was working ______(work) at a radio shop at the time. • 10.When I arrived at his office , he ______ on the phone. (speak) was speaking
What was she doing at seven o’clock yesterday morning?
She
was running.
What are they doing now? They are dancing.
What were they doing
at ten last night ? They were dancing.