I think this is right.
Capo on the 3rd
Intro D G A D
Verse
D D/C# D/B A
Katy brought my guitar back today
G D A D A
That's how she let me know that it's all over
D D/C#
I remember all those nights
D/B A
Sittin' in the fireplace light
G D Bm
How she loved to hear me play
G A D
Katy brought my guitar back today
D D/C# D/B A
Katy brought my guitar back today
G D A D A
I've seen it make her cry over and over
D D/C#
She told me when I wasn't there
D/B A
She would wake up feelin scared
G D Bm
She'd hold it in her arms and be okay
G A D
Katy brought my guitar back today
G D
We had our stormy times like anybody else
A D
(More than once) More than once I broke her heart
G D
When I couldn't tell her I was sorry by myself
G A
I could tell her with that old guitar
Bm G A
But I'm afraid this time things have gone too far
Verse
D D/C# D/B A
Katy broguht my guitar back today
G D A D A
I guess that means this time it's really over
D D/C#
As I sit and play it now
D/B A
The songs all seem so sad somehow
G D Bm
I wish she'd just thrown that thing away
G A D
Katy brought my guitar back today
Bridge
D D/C
I remember all those nights
D/B A
Sittin in the fireplace light
G D Em D
How she used to love to hear me play
G A D
But Katy brought my guitar back today
Outro D G A D