高中英语语法分类归纳、练习与分析(精华版)
高考英语语法分类归纳、练习与分析(精华版) 一.Tenses and voices A. 现在完成时: 1)表示过去某时发生的行为对主语目前产生的
高考英语语法分类归纳、练习与分析(精华版)
一.Tenses and voices
A. 现在完成时: 1)表示过去某时发生的行为对主语目前产生的影响。即用过去发生的某个行为来说明现在的某种情况。往往含有已经, 已经了的意思。
Eg.Don't think any more about it. I have decided not to help you.
I have experienced that before, so I know how to deal with it.
2) 到目前为止已发生的。与so far, up till now, in the past/ last .days/ years, today, this month/ year 等 包括现在在内的时间状语连用。
My brother is an actor. He has appeared in several films so far.
Great changes have taken place in this area in the recent years.
3)表示过去开始的动作或状态延续到现在。与for/ since 连用。
He has worked in the south for ten years/ since ten years ago.
Compare(1):完成进行时表示过去开始的动作一直在进行,直至现在。
He has been working on this project since last month.
(2) 过去时态:指发生在过去某段时间内的事。
He once worked in the south for ten years (现在不在南方)
(3) 过去完成时态:指发生在过去某个时间以前的动作或状态。常与by/ by the end of..(到了的时候连用。例如:
1)By the time we got to the theatre, they had sold all the tickets.
2)How many words had you leaned by the end of last year?
点击下载全部:
(责任编辑:www.360gaokao.com)特别说明:由于各方面情况的不断调整与变化,360高考网所提供的所有考试信息仅供参考,敬请考生以权威部门公布的正式信息为准。如有出入,欢迎大家予以指正!