You can play G and C with: 
G CG E-3-3 E-3-0
B-3-5 B-3-1 E-3-3 E-3-0 <- or(3) Intro 
G.... Am-once
 
G I used to bite my tongue and hold my breath
AmEm Scared to rock the boat and make a mess
CG So I sit quietly, agree politely
I guess that I forgot I had a choice 
AmEm I let you push me past the breaking point
C I stood for nothing, so I fell for everything
G You held me down, but I got up
Am Already brushing off the dust
Em You hear my voice, you hear that sound
C Like thunder, gonna shake the ground
G You held me down, but I got up
Am Get ready cause I've had enough
EmC I see it all, I see it now
G I got the eye of the tiger, the fighter,
Dancing through the fire 
EmCG Cause I am a champion and you're gonna hear me roar
Louder, louder than a lion 
EmCG Cause I am a champion and you're gonna hear me roar
Em Oh oh oh..., Oh oh oh..., Oh oh oh...
CG You're gonna hear me roar
G Now I'm floatin' like a butterfly
AmEm Stingin' like a bee I earned my stripes
C I went from zero, to my own hero
G You held me down, but I got up
Am Already brushing off the dust
Em You hear my voice, you hear that sound
C Like thunder, gonna shake the ground
G You held me down, but I got up
Am Get ready cause I've had enough
EmC I see it all, I see it now
G I got the eye of the tiger, the fighter,
Dancing through the fire 
EmCG Cause I am a champion and you're gonna hear me roar
Louder, louder than a lion 
EmCG Cause I am a champion and you're gonna hear me roar
Em Oh oh oh..., Oh oh oh..., Oh oh oh...
CG You're gonna hear me roar
Em Oh oh oh...,(Hey) Oh oh oh...,(You'll hear me roar) Oh oh oh...
CGAm-EmD You're gonna hear me roar
 (soft/muted slowly building) 
D . . . . . . D D D D..... Mute Roar, roar, roar, roar
G I got the eye of the tiger, the fighter,
Dancing through the fire 
EmCG Cause I am a champion and you're gonna hear me roar
Louder, louder than a lion 
EmCG Cause I am a champion and you're gonna hear me roar
Em Oh oh oh..., Oh oh oh...,(Yeah) Oh oh oh...
CG You're gonna hear me roar
Em Oh oh oh..., Oh oh oh...,(You'll hear me roar) Oh oh oh...
CG -once You're gonna hear me roar