you can make up your own riffs at the end of the verse.
Intro/verse:
E|----------------------|
G|------5-55-3------3-1-|
A|-3-3----------1-1-----|
D|----------------------|
Another ending I use
E|-------|
G|----1--|
A|-1-1-1-|
D|-------|
Chorus:
E|------------------|
G|------------------|
A|-3--------------3-|
D|------------------|
Then do the verse again.
Chorus(Part 2):
E|---------------------|
G|---------------------|
A|-3-3-3-3-3-3-3-3-3-3-|
D|---------------------|
Verse again.
Bass solo:
E|--------------------------|
G|---55555--1-----55555--1--|
A|-3-------1-1--3-------1-1-|
D|--------------------------|
Verse again.
Verse during solo.
And Chorus(part 2) at end of solo.
Verse again.
Outro is something like Chorus(part 2)