北京大学在全球排名:I used to be bule and longly ,thank god that I found you,darling

I used to be bule and longly ,thank god that I found you,darling used to be 是什么意思 there used to be used to be used to be be used to,used to的区别 Please don't expect me to be the same person i used to be used to do,be used to do,used to doing,be used to doing的区别 be used to doing sth? what are you want to be ? I want to be an actor. 找出一个错误谢谢