Capitalization and Punctuation Rules
Commas
Use a comma after an introductory word in a sentence.
Yes, he said he would make it to the meeting.
Semicolons and Colons in Sentences
You may use a semicolon in place of a comma and a conjunction when combining independent clauses.
Stephanie excels at math; Autumn is outstandingly good at sports.
Commas with Dates and Place Names
Use a comma to separate the day from the date and the date from the year.
Our summer trip ended on Sunday, July 27, 1996.
Commas and Colons in Letters
Use a comma after the greeting and closing of a friendly letter.
Dear Suzanne,