Hello. Im a newbie and have been practicing for a couple months. Im using Ander's and Lisa's GF1 course together. I have learned most of the open chords and some scales. My major issue is making the chord changes fast enough as well as stopping my strumming pattern due to being behind on the chord changes.

Aside from the continuation of GF1 lessons, if you were my teacher and based on my 2 struggles detailed above, what would you have me work on to improve my 2 issues individually or together (besides keep practicing of course)?