For Which Comma Usage?

Use a comma before which when it introduces a nonrestrictive phrase. Don't use a comma before which when it's part of a prepositional phrase, such as “in which.” Don't use a comma before which when it introduces an indirect question.

What are the 8 rules for commas?

What are the 8 rules for commas?
  • Use a comma to separate independent clauses.
  • Use a comma after an introductory clause or phrase.
  • Use a comma between all items in a series.
  • Use commas to set off nonrestrictive clauses.
  • Use a comma to set off appositives.
  • Use a comma to indicate direct address.

What words do you use commas for?

Comma Use
  • Use commas to separate independent clauses when they are joined by any of these seven coordinating conjunctions: and, but, for, or, nor, so, yet. ...
  • Use commas after introductory a) clauses, b) phrases, or c) words that come before the main clause.
David Miller

David Miller

Executive Financial & Market Analyst

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.