Incubus - If Not Now When chords

This song is played in a riff, but this is the simple chord structure to follow for it. 

Capo on 2nd Fret

Intro: C

       C              C               C                   C
Verse: I have waited, dined on ashed, swung from chandeliers and climbed 
[ Tab from: http://www.guitaretab.com/i/incubus/285083.html ]
         Am  F C                 C                     Am  F
       Everest. And none of it's gotten me... close to this.


             G              C        G                 C
Chorus: I've waited all my life. If not now, when will I? 


              Am   F   D         Am    F    D
Bridge: It's time.          It's tiiiime.



That's about it, folks. I'll try to figure out the riff he does and post it as a tab.