高考英语语法精要讲解二十一：一般过去时

　　1、过去已经完成的动作、结束的事情，或在过去重复发生的动作

　　When I was a child we always went to the seaside in August.

　　2、used to :表示过去的习惯，现在不存在

　　I used to smoke, but I dont any more.

　　3、用在its time, would rather, wish后面的从句中

　　Its time you went home.

　　I wish I had a better memory.

　　Id rather you came tomorrow.

　　4、在从句中用来说明现在还存在着过去的情况

　　Im sorry we left Paris. It was such a nice place.

　　5、could, might, would, should等过去的情态动词可用来指现在或者将来

　　Could you help me for a moment ?

　　I think it might rain soon.

　　Would you come this way, please ?

　　Alice should be here soon.

　　6、一般过去时与现在完成时在时间上的比较

　　①现在完成时所用的时间词: since, ever since, for, recently, lately, so far, yet, all this year, all my life, ever, never, already, before, just, in / during the last /past + 时间段, etc.

　　②一般过去时所用的时间词yesterday, last week, in 1999, when, years ago, then, just now, etc.