如题所述
there have been 是 there are 的过去完成形式,因此除了时态方面的变化和there are用法差不多。
意思是:已经有了
例如:there have been some apples.
there have been lots of people.
there have been plenty of solutions of this problem.
意思是:已经有了
例如:there have been some apples.
there have been lots of people.
there have been plenty of solutions of this problem.
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第1个回答 2016-02-07
There have been three incidents