高一英语语法(2-2):动词的时态之 一般过去时、过去进行时和过去完成时
一、 一般过去时(worked)(思考一般过去时与一般现在时的共同点和不同点) 1. 表示过去某一特定时间发生的动作或所处的状态,常与yesterday, last year, in 2007, a few months ago等表示过去的时间状语连用。如:Where __________ you __________ (go) just now? 2. 表示过去某一段时间内经常或反复发生的动作,通常与often, usually等表示频度的副词连用。如:When I __________ (be) a child, I often __________ (play) football in the street.
3. 表示事先不知道或不记得,但现在已经知道或记得的事情。如:Sorry, I __________ (not know) you were here. 不好生意,我不知道你在这。(暗示现在已经知道) 4. used to do be used to do be used to doing
他以前常常每周都去看望他母亲一次。He ______________________________ his mother once a week. 电扇是被用来给我们带来风的。Fans ______________________________ us wind.
我习惯于晚饭后半小时外出散步。I ______________________________ out for a walk half an hour after dinner.
5. 在时间、条件状语从句中用来代替过去将来时。如:Mary had left the keys in the classroom so she had to wait until her mother __________ (come) home. 二、 过去进行时(was / were working)(思考过去进行时与现在进行时的共同
点和不同点)
1. 表示在过去某一时间内正在进行的动作,常与at that time, then, the whole afternoon, at six yesterday, this time yesterday, last night等连用。如:What __________ you __________ (do) this time yeasterday? 2. 表示在过去某一段时间内进行的动作。如:I __________ (tidy) my sitting room
the whole morning. 3. 表示一个动作发生时,另一个动作正在进行。如:When he __________ (call) me yesterday, I __________ (have) dinner.
4. 表示过去将要发生的动作。如:He told me he __________ (leave) for Shanghai the next day. 5. 过去进行时与always,all the time,continually,constantly等副词连用,表示过去重复的动作,并且也常常带有感叹、惊讶、赞许、厌恶等情感。如:When he worked here, John __________ always __________ (make) mistakes.(厌恶)
三、 过去完成时(had worked)
1. 表示在过去某一时间或动作之前已经完成了的动作,即这个动作发生的时间是“过去的过去”,这一过去时间可用by, at, before等构成的短语以及由when, before, after, until等引导的从句或上下文来表示。如:By the end of last term, I __________ already __________ (learn) 5,000 words. By + 现在的时间点 + _