我读《哈利·波特》的时候，母亲已经去世了。

My mother had been dead by the time I read Harry Potter.

youdao

那些母亲已经去世的人则佩戴白色石竹花，而母亲健在的人则佩戴红色石竹花。

Those whose mother had died wear white carnation, and those whose mother is alive wear red.

youdao

我打过去电话，了解到汉纳的母亲已经去世。

I called and found out that Hannah's mother had died.

youdao