在英文中，当某人 "回来了" 时，可以使用以下几种表达方式来表示：

"He has returned." - 他回来了。
"He is back." - 他回来了。
"He has come back." - 他回来了。

这些表达方式都可以用来描述某人离开后又回到了原来的地方。

下面是一些例句，其中包含了 "he has returned" 的用法：

"After a year abroad, he has returned to his hometown." - 他在国外呆了一年后，回到了家乡。
"The prodigal son has returned, much to the surprise of his family." - 失踪的儿子回来了，让他的家人非常惊讶。
"The hero has returned, just in time to save the day." - 英雄回来了，正好来及挽救这一天。

下面是一些例句，其中包含了 "he is back" 的用法：

"He is back from his vacation, looking well-rested and tanned." - 他从度假回来了，看起来休息得很好，还晒黑了。
"After being missing for three days, the lost dog is back home safe and sound." - 这只失踪三天的狗回到家里了，安然无恙。
"She is back at work after a week of sick leave." - 她在病假一周后回到了工作岗位。

下面是一些例句，其中包含了 "he has come back" 的用法：

"He has come back from his business trip, looking exhausted but happy." - 他从出差回来了，看起来很疲惫但是很开心。
"After disappearing for a month, the missing person has come back safe and sound." - 失踪一个月的人回来了，安然无恙。
"The soldier has come back from