Cmaj7 · Dm7 · Em7 · Fmaj7 · G7 · Am7 · Bm7b5
These seven are every chord the {key} scale gives you without stepping outside it. Play them up and back down, and after a few passes you start to hear where a song in this key is likely to go next.
Exercises chord progressions
Every Exercises progression Adam posts, with the chord shapes, the strum, the groove and what the changes are doing. Open any of them for the shapes and the feel — no account, nothing to sign in to.