Pronoun and adverbial clauses

You know you're using clauses just because they contain all the idea in a few number of words. Nevertheless, there are two types of this: Pronoun and adverbial, here there are some examples: Maria, whom used to be my friend, now is just a complete stranger for me. The TV, which used to be modern and functional, now is obsolete. The laptop, whose mine, stills working pretty good and I love it! Although I felt and feel a lot of pain in my knees, the biggest pain was in my proud and honor. There are no differences among us, because we are all humans and we have the same capacity of doing things well. Since I met Madonna in 2005, I got her fan.