This is just a guess, it's probably not very accurate but it's my first tab so it's a start ;) 

A 
Tell me now (tell me now) 
G 
'n' show me how (show me how) 
C 
To understand (understand) 
D 
What makes a good man? 
A 
Tell me now (tell me now) 
G 
Hey walk the line (walk the line) 
C 
Hey understand (understand) 
D 
What makes a good man? 

A 
Ain't nothin' wrong with this chemistry 
G 
Ain't nothin' wrong with this blasphemy 
D 
And time tell that there's the pedigree 
D 
Experience is another one meant for me 

A 
To tell me now (tell me now) 
G 
'n' show me how (show me how) 
C 
To understand (understand) 
D 
What makes a good man? 
A 
To tell me now (tell me now) 
G 
Hey walk the line (walk the line) 
C 
Hey understand (understand) 
D 
What makes a good man 
D 
From me? 

A , G , C , D 
(Yeah, yeah, yeah) 

A 
Now I entitle swim for blood and birth 
G 
I entitle swim for what it's worth 
D 
Cause lines get drawn 'n' lines get kicked 'n' blurred 
D 
Indelible is what I need to spread the word 

A 
'n' tell me now (tell me now) 
G 
'n' show me how (show me how) 
C 
To understand (understand) 
D 
What makes a good man? 
A 
To tell me now (tell me now) 
G 
Hey walk the line (walk the line) 
C 
Hey understand (understand) 
D 
What makes a good man 
D 
From me? 

A , G , C , D 
(Yeah, yeah, yeah) x2 

A 
Tell me now (tell me now) 
G 
'n' show me how (show me how) 
C 
To understand (understand) 
D 
What makes a good man? 
A 
To tell me now (tell me now) 
G 
Hey walk the line (walk the line) 
C 
Hey understand (understand) 
D 
What makes a good man 

Repeat A , G , C , D