intro:
G---------------------------------------------------------|
D---------------------------------------------------------|
A---------------------------------------------------------| x1
D----\0000000000000000---(short pause)-0000000000000000---|
Verse:
G-------------------------------------------|
D-------------------------------------------|
A-------------------------------------------| x2
D---2444444-4666666-000000000000000---------|
Pre-Chorus: x1
G-----------------------------------------------------|--------------------|
D-----------------------------------------------------|--------------------|
A-----------------------------------------------------|the rest of the pre-|
D--22222222000000007777777755555555--2222222200000000-|chorus is all guitar|
[ Tab from: https://www.guitartabs.cc/tabs/a/all_american_rejects/im_waiting_btab.html ]
Chorus:
G------------------------------------------------------------------|
D------------------------------------------------------------------|
A-5555555555555555-------------------------------------------------| x1
D-----------------777777777777777755555555555555557777777777777777-|
verse x2
Pre-chorus x1
Chorus x2
Bridge:
G--------------------------|
D--------------------------|
A--------------------------|
D-7~--7~--0~----7~--7~--0~-|
Chorus x3
On third time, play this:
G-----------------------------------------------------------------|
D-----------------------------------------------------------------|
A-5555555555555555------------------------------------------------|
D------------------777777777777777755555555---7-7-7-7-------------|
End on this:
G------|
D------|
A------|
D--0~--
