There are some variations on these chords when he is playing but these are the
roots as far as I can tell and also the lyrics as far as I can tell from listening to it.
Standard Tuning, no capo.
C G Am F
When the time comes
C G Am F
And your love is lost on me
G Am C
I will grant you sympathy
G Am G
If you let me down
C G Am F
Easy
C G Am F x2
C G F C
C G Am F
When the time comes
C G Am F
And the weeds have grown over
[ Tab from: https://www.guitartabs.cc/tabs/j/justin_vernon/easy_crd_ver_2.html ]
G Am C
And the love is all stone
G Am F G
If you let me down
C G Am F
Easy
C G Am F
G Am C
G Am G F
C G Am F
When the time comes
C G Am F
And you have to let me go
G Am C
I will let you, without a sound
G Am G
If you let me down
F G Am F
Easy
G F E/Am C