1、“我是你爸爸”用英语：Im your father. ; I am your daddy。

2、例句：（1）如果我是你爸爸，我就给你这笔钱。Were I your father, I would give you the money. （2）他坐在父亲的大腿上会说：“你要知道我是你爸爸。He would sit on his lap and say, “You know I’m your daddy.