This is the 'chorus' in the song.
e|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|--------------------------------------------0--3--0-0--3--0--------------|
D|----------0--1----------0--1----------0--1-------------------3--1--------|
A|--1-1--3--------1-1--3--------1-1--3-------------------------------------|
E|-------------------------------------------------------------------------|
e|---------------------------------]
B|---------------------------------]
G|--2h3----2h3----3--1--0----------]
D|------3------3-----------3--1----]
A|---------------------------------]
E|---------------------------------]
[ Tab from: http://www.guitaretab.com/j/johnny-cash/175795.html ]
e|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|--------------------------------------------0--3--0-0--3--0--------------|
D|----------0--1----------0--1----------0--1-------------------3--1--------|
A|--1-1--3--------1-1--3--------1-1--3-------------------------------------|
E|-------------------------------------------------------------------------|
e|-----------------------------------------------------------------]
B|-----------------------------------------------------------------]
G|--2h3----2h3----3--1--0------------------------------------------]
D|------3------3-----------3--1---0--------------------------------]
A|-----------------------------------3--1---1---1--1------3---3---3]
E|----------------------------------------1---1---1--1--1---1---1--]
carry this on through verse
This is my first tab, hope it helps.
Liam