一般过去时和现在完成时既然有区别,怎么两者之间又能同义句转换呢she came here at 8 o'clock同义句转换she has been here since 8 o'clock
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![一般过去时和现在完成时既然有区别,怎么两者之间又能同义句转换呢she came here at 8 o'clock同义句转换she has been here since 8 o'clock](/uploads/image/z/4243434-42-4.jpg?t=%E4%B8%80%E8%88%AC%E8%BF%87%E5%8E%BB%E6%97%B6%E5%92%8C%E7%8E%B0%E5%9C%A8%E5%AE%8C%E6%88%90%E6%97%B6%E6%97%A2%E7%84%B6%E6%9C%89%E5%8C%BA%E5%88%AB%2C%E6%80%8E%E4%B9%88%E4%B8%A4%E8%80%85%E4%B9%8B%E9%97%B4%E5%8F%88%E8%83%BD%E5%90%8C%E4%B9%89%E5%8F%A5%E8%BD%AC%E6%8D%A2%E5%91%A2she+came+here+at+8+o%27clock%E5%90%8C%E4%B9%89%E5%8F%A5%E8%BD%AC%E6%8D%A2she+has+been+here+since+8+o%27clock)
一般过去时和现在完成时既然有区别,怎么两者之间又能同义句转换呢she came here at 8 o'clock同义句转换she has been here since 8 o'clock
一般过去时和现在完成时既然有区别,怎么两者之间又能同义句转换呢
she came here at 8 o'clock同义句转换she has been here since 8 o'clock
一般过去时和现在完成时既然有区别,怎么两者之间又能同义句转换呢she came here at 8 o'clock同义句转换she has been here since 8 o'clock
在某种意义上 二者相同 也就是 都是在 八点钟 来的这里
所以 二者 并不是 完全同义
一般过去时和现在完成时的区别 你已经知道 无需多讲
再如 he died two days ago.=he has been dead since two days ago.
这是 同义句 前者 强调动作 后者表示状态
一般过去时和现在完成时既然有区别,怎么两者之间又能同义句转换呢
she came here at 8 o'clock同义句转换she has been here since 8 o'clock
she came here at 8 o'clock=表达是强调在8点这个时间,她来了这里,只强调过去发生的某个动作 (陈述的8点她来过这里这个动作发生了,其他没有讲,有可能来了就走了,有可...
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一般过去时和现在完成时既然有区别,怎么两者之间又能同义句转换呢
she came here at 8 o'clock同义句转换she has been here since 8 o'clock
she came here at 8 o'clock=表达是强调在8点这个时间,她来了这里,只强调过去发生的某个动作 (陈述的8点她来过这里这个动作发生了,其他没有讲,有可能来了就走了,有可能还在这里)
she has been here since 8 o'clock=表达的强调,自从8点钟,她就一直都在这里, 说明她的人一直没有离开过,自从来了这里,(这个也是现在完成时态和一般过去式最大区别)
简单一点讲
一般过去式:仅仅是描述某人在过去某个时间执行过某种动作或状态(过去动作与现在没有来联系)
现在完成时态:过去发生动作对现在造成影响和结果(过去动作和现在有联系)
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