when we went out ,the young man will be disappear

问题描述:

when we went out ,the young man will be disappear
是不是填will be disappear

had disappeared
因为前面是过去时,所以后面的时态也要是过去的某种时态相对应(我用了过去完成时态).
翻译:当我们出去时,那个年轻人已经不见了.