过去进行时 ppt课件

A was/were +doing sth While B ++ was/were
+doing sth
长时动作
长时动作
While
What were they doing yesterday afternoon?
He was playing basketball while
she was sleeping.
★ 时间段： from … to … + 过去时间
The Past Continuous Tense (过去进行时)
基本结构:
was / wasn’t
Sb+
were / weren’t
+ doing
doing个 是指现在分词，它的 变化和现在进行时变化 一样
需要用过去进行时的时间状语：
at 6 p.m. yesterday this time yesterday at the same time last year from 8:00 to 10:00 last night
现在进行时的基本结构:
be + (现在分词)V-ing
be随人称变为 is, am, are
过去进行时的定义： 1.在过去某一时刻正在进行的动作
（a） They were eating breakfast at 7:00 am yesterday . （b） I was writing a letter at this time last Sunday .
The Past Continuous Tense
What are they doing now?
They are dancing.
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复习一下什么是现在进行时
现在进行时定义 （The Present Continuous Tense）
现在进行时表示现在或现阶段正在进行或发生的 动作，常和now，listen，look等词连用。
★at+时间点, at this time, at that time + 过去时间
2.在过去某一段时间一直在进行的动作 （a） From 1983 to 1998 , he was teaching at Yale . （b） They were building a cinema last winter .
They were eating yangrouchuan.
at 10 a.m. yesterday morning
She was reading a bookat 10 a.m. yesterday morning
Was she….?
Was he….?
Was it….?
Were they…?
用作连词，都是“当...时”的意思
•when引导的时间状语从句，通常 使用一般过去时 •while引导的时间状语从句，通常 使用（过去）进行时 •while前后的动词都是进行时态时， while表示与此同时。
while Use
to describe(描述) pictures
at 3 p.m. yesterday
A monkey was …….while two cats were……
at 9 p.m. yesterday
A rabbit was ……. While a pig
was….
总结
when & while
常用的时间状语 the whole morning/month,
all day yesterday,
from ….to ….+过去时间
when, while , at that time ....at+时间点,
at this time, at that time + 过去 时间
看图写话
She was eating choudoufu.
Mary __w_a_s__w_r_i_ti_n_g_ a letter last night. 玛丽昨晚整晚都在写信。 Mary ___w__r_o_te_____ a letter last night. 玛丽昨晚写了封信。
-What was Lilei drawing when the teacher came in? -He was drawing an elephant.
-What were the twins drawing when the teacher came in? -They were drawing a car.
过去进行时和 When 连用
A was/were +doing sth When B +did sth.
长时动作
短时动作
过去进行时和 while 连用
特殊疑问句: 特殊疑问词+was/were+主语+doing+
其它
根据图片来练习一下
A.What was the boy doing at table
last Sunday at 5 pm
last Sunday at 5 pm
B. He was speaking with a girl.
A. Was the girl at the table writing ?
___I___/__s_h__e__/___h__e_and ____it__+ was doing. _w__e___, _y_o__u__ andt_h__e_y__+ were doing
Past Continuous Verb Forms
1. 肯定句： She was drinking at 6 p.m. yesterday. 2. 否定句： She wasn't drinking. 3. 一般疑问句：
B. No, she wasn’t
under the tree
on the playground
at the table
on the basketball ground
注意：过去进行时与一般过去时的区别
过去进行时表示的动作在过去某个时间正 在进行,可能完成,也可能没完成。 一般过去时表示动作或状态已经结束。
Was she drinking? 4. 简要回答：
Yes, she was. No, she wasn't. 5. WH- Questions：
When was she drinking?
3.不同Байду номын сангаас句式
肯定句： 主语+was/were +doing +其它
否定句: 主语+was/were +not +doing +其它 一般疑问句: Was/Were+主语+doing+其它