have been gone是什么时态

　　Dozens of villages have been razed.

　　几十座村庄已被夷为平地。

　　Temperatures have been above average.

　　气温一直比平均温度高。

　　The company's assets have been frozen.

　　这家公司的资产已被冻结。

　　The walls have been painted bright yellow.

　　这些墙壁已被漆成亮黄色。

　　Severe winds have been battering the coast.

　　狂风一直在海岸肆虐。