Rss & SiteMap

华夏网·艺术论坛 http://bbs.cnrr.cn/

中国大赛网是使用量最多、覆盖面最广的免费中文论坛,也是国内知名的技术讨论站点,希望我们辛苦的努力可以为您带来很多方便
共1 条记录, 每页显示 10 条, 页签: [1]
[浏览完整版]

标题:初中英语语法:不定式的时态和语态

1楼
全脑通 发表于:2009/10/18 11:52:11
时态\语态    主动     被动

  一般式      to do      to be done

  进行式      to be doing  

  完成式      to have done   to have been done

  完成进行式    to have been doing  

  1) 现在时:一般现在时表示的动词,有时与谓语动词表示的动作同时发生,有时发生在谓语动词的动作之后。

     He seems to know this.

     I hope to see you again. = I hope that I'll see you again. 我希望再见到你。

  2) 完成时:表示的动作发生在谓语动词表示的动作之前。

    I'm sorry to have given you so much trouble.

    He seems to have caught a cold.

  3) 进行时: 表示动作正在进行,与谓语动词表示的动作同时发生。

    He seems to be eating something.

  4) 完成进行时:

    She is known to have been wreaking on the problem for many years. 

共1 条记录, 每页显示 10 条, 页签: [1]

Copyright ©2004 - 2020 cnrr.cn
Powered By Dvbbs Version 8.0.0
Processed in .02344 s, 2 queries.