英语语法问题 there's been？

Question

There's been a new Federal Government intervention in the power system to ensure the lights stay on.句中been是什么意思

Answer 1

你好，been是曾经到过的意思，been是Be的过去分词，
一般来说就是表示已经发生过的事情。

Answer 2

been 是be动词的过去分词，there’s been = there has been ，是there is （有）的现在完成时，表示＂从过去开始到现在说这句话时一直有…。＂追答

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Answer 3

there's been是there has been的缩写，是there be结构的现在完成时态，表示 有……