(This is my first tab)
Here's the intro to I Love U Oh Thank U by Mc Mong.
All the other tabs were crap so I decided to make my own.
Listen to the song for the timing. Enjoy :)

Standard Tuning

Intro:
E|-10h12-12/13-10/12-8/10-|---------------|----8-10/12-8-|---------------|
B|------------------------|-8-10-10/12-10-|-10-----------|-8-6-5-6-5-1/3-|
G|------------------------|---------------|--------------|---------------|
D|------------------------|---------------|--------------|---------------|
A|------------------------|---------------|--------------|---------------|
e|------------------------|---------------|--------------|---------------|

Chords:

C G Am   F C G   C G Am   F G Dm C 
all the way through the song until you get to the last chorus. Then they all go up 
half a step (or capo 1) to:

C# Ab Bbm   F# C# Ab   C# Ab Bbm   F# Ab Ebm C#

Pre Chorus:

Am C F G x2 C Am F G x2

Song Progression:
Intro
Verse 1
Pre Chorus
Chorus 1
Verse 2
Pre Chorus
Chorus 2
Chorus 3 (Up half a step/capo 1)

Have Fun :)