Learn each shape as a clear sound
In common GCEA tuning, begin with familiar C, F, and G major shapes and pluck their strings individually. Confirm that fretted notes ring and that neighboring open strings are not blocked by a leaning finger. Use a diagram if needed, but check the tuning and orientation first. Do not immediately alternate all three chords at tempo. A shape that requires several seconds of repair after every arrival needs a little isolated attention before it can become part of a smooth progression.
Practice the difficult pair first
Choose the transition that stalls most often, perhaps F to G. Move between the two shapes without strumming and observe which fingers can prepare together. Keep the wrist comfortable and avoid gripping the neck with more force than the notes require. Then count four beats per chord and strum only on beat one. Use the space to move early enough for the next attack. As the motion becomes predictable, shorten the preparation time without moving the downbeat to accommodate a late finger.
Connect the three chords in a phrase
Play C, F, G, and C with a slow count, giving each chord a clear duration. Add one light strum per beat only when the changes arrive reliably. If a string is briefly muted, keep the pulse and inspect the problem after the phrase rather than stopping on every imperfect sound. Follow a verified song progression in AudioChords for a practical application, since real songs may place these chords in a different order. Finish with a short recording and listen for steady timing, clean arrivals, and a relaxed sound instead of judging progress only by how quickly your fingers can move.