Just work on moving your first finger to A on the 3rd string to start the D chord then lead with your 2nd finger back to the B on the 5th string to start the E minor chord. Try leading with your first finger for C, E major and A minor chords. Quite quickly you will find your fingers starting to move as a team. G major to D major. When there are notes in common between two chords, we keep these fingers in the same frets to make the chord change faster. This is called the pivot finger. We can use this approach between the G major and D major chord. Keep the B string fret 2 between the G major and D major chord. 3) `Blast` method. Form the chord shape and play it once, just to make sure you are playing it cleanly. Then mute the strings with your right hand (simply place your hand over strings where you would normally strum) and keep changing chords. Over and over keep changing back and forth between the chords. .

tips for switching chords on guitar