This is the pretty basic chord sequence that Rob plays during the chorus:
Sure you can get the strumming pattern for yourself:
[ Tab from: http://www.guitaretab.com/t/the-music/114572.html ]
E |-------------------------------------------------------|
B |--55555555-55559999-1212121212121212-1212121213131313--|
G |--55555555-55559999-1212121212121212-1212121213131313--|
D |--55555555-55559999-1212121212121212-1212121213131313--|
A |--33333333-33337777-1414141414141414-1414141415151515--|
E |-------------------------------------------------------| [x2]
E |---------------------------------------|
B |--55555555-99997777-77777777-66665555--|
G |--55555555-99997777-77777777-66665555--|
D |--55555555-99997777-77777777-66665555--|
A |--33333333-77775555-55555555-44443333--|
E |---------------------------------------| [x2]
