当他长大后,他成了一名作家.怎么翻译啊(英语) "长大"使用一般现在是还是过去式

问题描述:

当他长大后,他成了一名作家.怎么翻译啊(英语) "长大"使用一般现在是还是过去式

he grew up into a writer.

He became a writer when he grew up.

He became a wrirter when he grew up.
整句描述的都是过去,应该用的是过去式