've already got the chords - so this is the bass bit.
This is just the intro and verse - i think the chorus is just
the bass note of the chords or summat like that.
intro:
|-----------------------------------------------------------|
|--5----5----5---5---5---5----5---5---5----5---5---5---5----|
|-----------------------------------------------------------|
|-----------------------------------------------------------|
verse:
|--------------------------------------------------------------------|
|--5----5----5--5--5--5---5--5--5----5---5--5--5h7-------------------|
|--------------------------------------------------5----5----5--5---5|
|--------------------------------------------------------------------|
[ Tab from: http://www.guitartabs.cc/tabs/g/green_day/she_btab.html ]
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|--5---5---5------5---5---5---5---0---3-----3-----3---3------3---3--|
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|----------------------5----5----5--5--5--5---5--5--5----5--5--5----|
|--3--3----3--3--3--5-----------------------------------------------|
|-------------------------------------------------------------------|
|-------------------------------------------------------------------|
|--5----5----5--5--5--5---5--5--5----5--5--5h7----------------------|
|-----------------------------------------------5----5----5--5----5-|
|-------------------------------------------------------------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|--5---5---5------5---5---5---0----3------3------3---3---3---3--|
|---------------------------------------------------------------|
|---------------------|
|--3h5-----3h5--------|
|-------3-------3--3--|
|---------------------|
|