This is the main riff during the song!
Below are the lyrics for the chorus.
[ Tab from: http://www.guitaretab.com/s/simple-plan/169787.html ]
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|-55555555----------------88888888------------------------------------|
D|-33333333----66666666----66666666----88888888------------------------|
A|-33333333----44444444----66666666----66666666------------------------|
E|-------------44444444----------------66666666------------------------|
( C G# Eb A# )
Don't, don't let me go
It's not the end, whoa
Girl you know it's not so bad
It's not the end, whoa
No it's not the end
