Which one is correct in regards to using commas?
Chelsea, Everton and Liverpool have been promoted.
Chelsea, Everton and Liverpool, have been promoted.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.
Your appreciation is welcome, MrPaddington, but there is no need to write a new post to say thank you. Simply click the Like button on any posts you find helpful. It means that we don't have to open the thread again to read your new post and then find that it doesn't include any new information or an additional question.
Rover explained why we have this policy in this forum. If you wish to stay here, please don't inconvenience others.