I IV V I Progression

I IV V I in the Major Keys

Key	I	IV	V	I
C major	C	F	G	C
G major	G	C	D	G
D major	D	G	A	D
A major	A	D	E	A
E major	E	A	B	E
B major	B	E	F#	B
F# major	F#	B	C#	F#
Gb major	Gb	Cb	Db	Gb
Db major	Db	Gb	Ab	Db
Ab major	Ab	Db	Eb	Ab
Eb major	Eb	Ab	Bb	Eb
Bb major	Bb	Eb	F	Bb
F major	F	Bb	C	F

i iv V i in Minor Keys

Key	i	iv	V	i
A minor	Am	Dm	E	Am
E minor	Em	Am	B	Em
B minor	Bm	Em	F#	Bm
F# minor	F#m	Bm	C#	F#m
C# minor	C#m	F#m	G#	C#m
G# minor	G#m	C#m	D#	G#m
D# minor	D#m	G#m	A#	D#m
Eb minor	Ebm	Abm	Bb	Ebm
Bb minor	Bbm	Ebm	F	Bbm
F minor	Fm	Bbm	C	Fm
C minor	Cm	Fm	G	Cm
G minor	Gm	Cm	D	Gm
D minor	Dm	Gm	A	Dm

Note that the V chord is often replaced with V7 in both the major and minor key progressions.