has been是什麼時態[朗讀]

has been是現在完成時。
例句：
the original manuscript has been lost
原稿已經遺失。
he has been late on numerous occasions
他已經遲到過無數次了。
擴展資料。
a peaceable settlement has been reached
已經實現和解。
the gene for asthma has been identified
哮喘病的基因已被識別。
since 1977 otter hunting has been illegal
捕獵水獺1977年以後就被列為非法了。