I Was There
Green Day

Intro:
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A-4-4-4-4-4-4-4-4-4-4--2-2-------4-2--2/4
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G---------------------------------
D----------------------------6-4--
A-4-4-4-4-4-4-4-4-4-4--4-4/6-----4
E---------------------------------

G------------------------
D----------4-3-1---------
A-4/2--2-2-------4-2--2/4
E------------------------

Verse:
"Lookin back upon my..."
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D----------------------------------------  repeat
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then

"but each one was a memory..."
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E-------------------

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Chorus:
"I looked in to the past..."
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E-2-2-2-2--------2-2-2-2---------

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A-4/2-2-2-2-2-2-2-2-2-2-2-4-4-4-4-4-4-4-4-4-4 
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repeat

Then back to intro
then verse
then chorus
then intro again

then....
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D-------------------  repeat
A-4-4--4-4--2-2--2-2
E-------------------

"lookin back.."
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A-4-4-4-4--2-2-2-2-2
E-------------------

Then verse
then chorus

Outro:
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A---------4----------
E-2-2-2-2------------

G-----------------
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A-------4--------4
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G------------------------
D----------4-3-1---------
A-4/2--2-2-------4-2--2/4
E------------------------

G--------------------
D-----------4/6-6-6-6
A---------4----------
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G-----------------
D--------4h6-6p4--
A-------4--------4
E2-2-2-2----------

G--------------------------------------5-5
D-----------------------------------------
A-2-2-2-2-2-2-2-2-2-4-4-4-4-4-4-4-4-4-4---
E-----------------------------------------

G---
D--- hold
A---
E-2-  

thats pretty much it. It seems that there is alot
but it not really.