Verb conjugation of "agravar" in Spanish

My daugther was crying all night and we did not know why. We assume that she is getting into the terrible two age and wants to give us a hard time. We love her so much and do not get upset by that.
I have your letter sitting on my desk. But, in the last 2 months I have been working on some projects which were very time consuming. I will not be able to start anything new before October or November.
As usually, we had problems with our hotel. At midnight we checked in to our place, and once seeing the room, my wife decided that she would not sleep there. She was right, it was a place with no atmosphere.