Joining equal parts: for, and, nor, but, or, yet, so
Clause + , + FANBOYS + clause (comma before conjunction with two clauses)
Same structure; nor requires inversion
Same structure
💡 Comma before conjunction when joining two independent clauses.
✓I was tired, so I went home.
✗I was tired so I went home.
Comma before 'so' joining two clauses.
✓She's smart but lazy.
✗She's smart, but lazy.
No comma when joining just adjectives.
✓I don't smoke, nor do I drink.
✗I don't smoke, nor I drink.
Inversion after nor.