there have been 的用法there be 是有什么什么.have been是完成时.求分析there have been

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there have been 的用法there be 是有什么什么.have been是完成时.求分析there have been
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there have been 的用法there be 是有什么什么.have been是完成时.求分析there have been
there have been 的用法
there be 是有什么什么.
have been是完成时.
求分析there have been

there have been 的用法there be 是有什么什么.have been是完成时.求分析there have been
there be句型是倒装句,意思是"有",be的形式由be后第一个名词的单复数决定;
there have been,意思是"曾经有",是there be句型的现在完成时态形式,此时be后主语为复数名词,如果be后主语为单数名词,则应为there has been

There have been some encouraging signs over the past couple of months.
在过去的几个月里有一些令人鼓舞的迹象.
There has been a singer playing guitar at the bar for many months.
曾经有个歌手在酒吧里弹了几个月吉他.

there have been 是已经存在某个东西
比如 :there is a river here, 这有一条河,
那么: there has been a river since 1993, 意思就是从1993年开始,这就有一条河了。

我个人觉得 不存在这个句型吧