Beyonce Knowles - If I Were A Boy tab

*Cloe124*
This is my own experiment PLEASE don't copy!
[ Tab from: http://www.guitaretab.com/b/beyonce-knowles/291976.html ]
*Intro*
E---------------------|
B---3---3---3---3-----|
G--0-0-0-0-0-0-2-0----|   x2
D-2-----------0-------|
A-----3---------------|
E---------3-----------|

I have only heard this song a few times(in fact I don;t even know the lyrics!) so um, 
cut me some slack! Tell me if you think I'm wrong!