Comma rules

Question 1

compound sentences

Answer 1

Place a comma before a coordinating conjunction joining two independent clauses (coordinating conjunctions: FANBOYS).

Question 2

words in a series

Answer 2

Use a comma to separate three or more words, phrases, or clauses written in a series.

Question 3

oxford comma

Answer 3

is an optional comma before the word ‘and’ at the end of a list: We sell books, videos, and magazines. It’s known as the Oxford comma because it was traditionally used by printers, readers, and editors at Oxford University Press.

Question 4

coordinate adjectives

Answer 4

Place a comma between coordinate adjectives.
Coordinate adjectives are back to back adjectives that can be reordered.
You can also place “and” between them and the sentence still makes sense.

Question 4

introductory information

Answer 4

Use a comma after an introductory a.) word, b.) phrase, c.) or subordinate clause.

Question 5

Nonessential (Parenthetical or extra) Information

Answer 5

Use a comma or commas to set off a noun of direct address.
Use a comma to set up conjunctive adverbs that interrupt an independent clauses.
Use a comma or commas to set off common expressions.
Use a comma to set off a contrasting expression.
Use a comma to set off non-restrictive (non-essential) subordinate clauses. Tip: If you can cover the words that you think should be surrounded by commas and the rest of the sentence makes sense, it is nonessential and you set it off with commas.