4.用already/yet/just/ever/never这些副词作状语时,常用现在完成时。如:
Have you finished your homework yet?
5.若单纯谈论过去的动作,用一般过去时;若谈论一件已发生的事情,不考虑它是什么时候发生的,而主要考虑对现在的影响时用现在完成时。如:
I saw this film yesterday.(强调看的动作发生过了)
I have seen this film.(强调对现在的影响,电影的内容已经知道了)
【典例分析】(2012·江苏高考)The president hopes that the people will be better off when he quits than when he ______.
A.has started
B.starts
C.started
D.will start
答案为C项。根据句意判断“开始当总统”是过去的事情,所以应用一般过去时。
(2012·江西高考)—Look!Somebody ______ the sofa.
—Well,it wasn't me.I didn't do it.
A.is cleaning
B.was cleaning
C.has cleaned
D.had cleaned
答案为C项。根据“Look!”一词可判断,此处强调现在的结果是“有人把沙发清理干净了”,所以用现在完成时。
考点三:一般过去时和过去完成时的区别
【2016年高考第二轮复习英语(全国版)专题整合突破六动词的时态和语态】相关文章:
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21