Commas with and
This question has to do with punctuation. When should we use a comma
Here are some comma rules. Rules 35 are mainly from pages 325326
of Keys for Writers by Ann Raimes (Houghton Mifflin, 1996).
I have added a few examples and some parenthetical remarks.
Use a comma before and to join two independent
Joe's mother was a famous neurosurgeon, and
his father was a celebrated actor.
We'll be celebrating the new year together,
and we'll probably be celebrating the arrival
of our new baby, too.
Use commas to separate three or more items in a series:
In the car, detectives found nothing more than a beach towel,
suntan lotion, and a large
He spoke forcefully, with references to the nation's history,
its successes, its failures, and
Use commas to separate coordinate adjectives:
Coordinate adjectives can be identified by the fact that their
order can be reversed and the word and can be
inserted between them. They do not give information about size,
shape, age, color, nationality, religion, or material. Separate
coordinate adjectives with commas:
He hired people who are energetic, efficient,
The new medicine worked wonders, but it made Helen nervous,
shaky, and irritable.
Do not put a comma between a final adjective and the noun it
modifies (or after and just before the final
Energetic, efficient, and
polite salespeople are much in demand.
I hope this is clear, and I hope it helps.
Do not use a comma before part of a compound structure that
is not an independent clause (that is, does not contain both
own subject and verb):
Amy Tan has written novels and adapted them
for the screen.
Tan has written about her mother and the rest
of her family.