Nothing I Can Do Tab

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 |------------7-------------7--------------7---------------------------|
B|---------5-------------5--------------5---------------5--------------|
G|------7-------------7--------------7--------------7------------------|
D|---5-------------4--------------3------------------------------------|
A|----------------------------------------------3----------------------|
E|---------------------------------------------------------------------|

      B               C             G?
e|-------------------------------------1----------------------------------|
B|---------4----------1--------------0---0--------------------------------|
G|-------4----------0-----------------------------------------------------|
D|-----4----------2-------------------------------------------------------|
A|--2-----------3-----------------2---------------------------------------|
E|-----------------------------3------------------------------------------|

This part repeats several times thoughout the song. This is a great song.
I think this is correct for the most part with the exception of the very last chord (G?) 
quite sure what the name of that chord is but it seems to sound ok with it in there