F = For (reason) A = And (addition) N = Nor (negative addition) B = But (contrast) O = Or (choice) Y = Yet (contrast) S = So (result)
Each Conjunction in Detail
FOR (reason): I was tired, for I had worked all day. AND (addition): I bought apples and bananas. NOR (negative addition): He doesn't smoke, nor does he drink. BUT (contrast): I wanted to go, but I was too tired. OR (choice): Do you want tea or coffee? YET (contrast): She is rich, yet she is unhappy. SO (result): It was raining, so I stayed home.
💡 Comma Rule: Use a comma before a FANBOYS conjunction when joining two independent clauses.