(我发现他已经死了)用英语怎么翻译

I found him having been dead.

I found he had dead.

I found he had already died .

I found him dead.或者说: I found his body.(我发现他的尸体）意思一样的。

I had found him dead.

如果满意我的回答，谢谢采纳！

l found that he died