it s been是什麼時態[朗讀]

it s been是現在完成時。
been
v.是，有（be的過去分詞）。
例句：
you could have been killed
你本可能被殺了。
these figures have been disputed
有人對這些數字提出了質疑。
擴展資料。
what've you been up to
你一直在搞什麼名堂？
you've been very kind
你真是體貼入微。
progress has been particularly disappointing
進展一直格外令人失望。