编辑:sx_wangha
2014-01-13
广大朋友们,关于“2014中考英语必备:语法要点之时间表达”是由精品学习网中考频道小编特别编辑整理的,相信对需要备考中考的朋友有所帮助!
1.after“…时间后”结构:after+时间段,常用于一般过去时,和1相同。
They went to Beijing after five days. The dog died after a week。
2.(after也可加句子, 但主句不一定用一般过去时:I’ll send you an e-mail after I get home。
Return it to me after you finish it. 见2.)
3.ago“…时间前”结构:时间段+ago, 用于一般过去时。
The Greens moved to Shanghai four weeks ago. I saw it ten minutes ago。
4.(若有since+时间段+ago,常用现在完成时:Mr. Li has worked here since 5 years ago。)
5.before 单独放在句尾,常用现在完成时:“以前”
I have been to London before. He has seen the film before。
(若是时间段+before,常用过去完成时,“…前”: I had seen the film two weeks before. We had found out the answer to the problem an hour before。)
标签:南充中考英语
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