过去进行时八年级下册的一个重要时态,也是中考必考的时态之一,它的学习有一定的技巧和方法,我们一起来探讨一下:
一. 含义:表示过去某个时刻或某段时间内,正在进行的动作。
二. 结构:be (was/were) + doing
三. 例句:
你昨晚六点在干什么?
What wereyou doing at six last night?
我昨晚六点正在做家庭作业。
I was doinghomework at six last night.
我们去年冬天在建房子。
We were building a house last winter.
四. 标志词:
表示过去某一时刻正进行的行为, 与特定的过去时间状语连用,
常见的时间有:
at 8 last night, at this time(在这时), at that time, at that moment (在那时) 等。
e.g. 昨天早上十点你正在做什么?
What wereyou doingat 10 yesterday morning?
我那时候正在给我爸爸写信。
I was writinga letter to my father at that moment.
五. 句式:
1.肯定式:主语+was/were+动词-ing (+其他).
如:I was swimming at that time.
2. 否定式: 主语+wasn"t/weren"t +动词-ing (+其他).
如:They weren"t listening to music at ten yesterday morning.
3. 疑问式:
Was / Were+主语+动词-ing (+其他)?
其肯定回答为:Yes, 主语(人称代词)+ was / were.;
否定回答为:No, 主语(人称代词)+ wasn’t / weren’t.
如:—Was Joe reading at the time of the rainstorm?
—Yes, he was. /
No, he wasn"t.
六、when 和 while 引导的过去进行时
when引导的时间状语从句,从句用一般过去时,主句用( 过去进行时 )。When he got back, his father was sleeping.while引导的时间状语从句,从句用过去进行时, 主句用 ( 一般过去时 )。While Johnwas taking photos, Mary bought a drink. 当主句和从句都是过去进行时,只能用( while ),表示“与此同时”。Jenny was helping Mary with with her homework while Linda was sleeping.当while前后的句子描述的情况相对或相反时,while译为( “而”)。I like this, while he like that.
通过从含义、结构、例句、标志词、句式和“when和while "区别多方面来学习过去进行时,相信大家学起过去进行时会轻松的多。