Go Radio - Welcome To Life chords

Okay, so this is 'Welcome To Life' by Go Radio.
This song's one of my favorites by them.
Here's the chords:
(I'm not going to post the lyrics, since I'm afraid of mistakes, haha, sorry)
[ Tab from: http://www.guitaretab.com/g/go-radio/195326.html ]
*In the Chorus, I like to slip an A at the end. 
It sounds good, but I don't think that he plays it that way in the song.



Chorus:

D, G.




Verse:
(He jumps around a bit in the verses, I think that he plays variations of the D & A Chords)

D, A



Pre-Chorus:

A, D