1. Commas!
English

2. Commas
Rule #1
Use a comma to set off a noun of direct address (a person spoken to).
Justin Bieber, come here, please!
Have you gone, Michael?
I want to go, Ronnie, with your peeps!

3. Rule # 2
Use a comma to set off introductory words.
No, I haven’t seen it.
Well, I’ve changed my mind.
Yes, the chimes are new.

4. Rule #3
Use a comma to set off interrupters in a sentence.
The answer, I think, is fifty-four.
This calendar, in fact, is an old one.
However, not all is lost.

5. Rule # 4
Use a comma after the greeting of a friendly letter. .
Rule # 5
Use a comma after the closing of any letter.
Sincerely yours, Maria
Love, Brad

6. Rule #6
Use a comma to set off words or phrases in a series.
Furniture, linens, toys, and dishes were sold there.
We ran a mile, swam a half mile, and biked a mile.

7. Rule # 7
Use a comma to clarify a sentence.
In the night time was extremely important.
Compare to:
In the night, time was extremely important.

8. END

9. Rule #8
Use a comma between two or more descriptive adjectives.
Bright, sparkling stars twinkled in the dark night.