it s been是什么时态[朗读]

it s been是现在完成时。
been
v.是，有（be的过去分词）。
例句：
you could have been killed
你本可能被杀了。
these figures have been disputed
有人对这些数字提出了质疑。
扩展资料。
what've you been up to
你一直在搞什么名堂？
you've been very kind
你真是体贴入微。
progress has been particularly disappointing
进展一直格外令人失望。