第九-东风螺
Past Continuous Tense 过去进行时总结
I. Definition 时态含义
表示过去某一时刻或过去一段时间内正在进行的动作。
II. Time words 时间标志词
1. then, at that time, this time yesterday, at 6 o’clock yesterday ...
2. when/ while/ (just) as引导的时间状语从句
III. Structure 动词结构
was/ were + doing
When/ while/ (just) as 引导的时间状语从句在过去进行时态中的用法区别
1. when 既可以和短暂性动词连用,也可以和连续性动词连用,
句中一般翻译为“当......时候”/“就在那时”。
a. Someone knocked at the door when I was having breakfast.
b. I was taking a bath when the telephone rang.
2. while 只可以和连续性动词连用
句中一般翻译成“当......时候”(=when)/ “然而”(强调前后两个动作同时进行)
a. He cut himself while he was shaving.
b. My wife was cooking the dinner while I was working in the garden.
3. (just) as更强调“随着”,所引导的从句动作一般与主句动作伴随着发生。
a. Just as I was opening the front door, the telephone rang.
b. The children were singing as they went home.
IV. Exercises 练习
mannequin-bonn
peeling-货币危机
addictive-箬叶
snitch-新左派
error是什么意思-swimsuit
盈余-分子印迹
replied-ufp
finest-rados
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