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  • [时态综合] 英语中的十六种时态 发表日期:2018-08-28

    (1)一般现在时 基本形式(以do为例): 第三人称单数:does(主语为非第三人称单数); 肯定句:主语+动词原形+其他; He works for us. 否定句:主语+don't/doesn't+动词原形+其他; He doesn't work for us. 一般疑问句:Do/Does+主语+动词原形+...

  • [时态综合] 英语的16种时态 发表日期:2014-03-26

    英语共有十六种时态,其表现形式如下(以study为例) 一般时 进行时 完成时 完成进行时 现在 study be studying have studied have been studying 过去 studied be studying had studied had been studying 将来 will study wil be studying will have studied...

  • [时态综合] 时态与时间状语 发表日期:2013-02-27

    时间状语 一般现在时 every , sometimes, at , on Sunday, 一般过去时 yesterday, last week, an hour ago, the other day, in 1982, just now 一般将来时 next, tomorrow, in+时间, 现在完成时 for, since, so far, ever, never, just, yet, till/until, up...

  • [时态综合] 时态一致 发表日期:2013-02-27

    1) 如果从句所叙述的为真理或不变的事实,则永远用现在时。 At that time, people did not know that the earth moves. He told me last week that he is eighteen. 2) 宾语从句中的助动词ought, need, must, dare 时态是不变的。 He thought that I need no...

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