Sophia Learning
Sophia: Parentheses
This lesson focuses on parentheses. The three purposes for parentheses are to (1) set off parenthetical expressions or supplemental material, (2) create a list of numbered items in a series or steps in a procedure, and (3) create...
University of Calgary
University of Calgary: Parentheses and Rules for Use
This site contains information regarding the correct usage of parentheses in original material and in quoted material. Examples are included for all points discussed.
SUNY Empire State College
Empire State College: Parentheses
This site contains information regarding the correct usage of parentheses, along with examples for each use.
Virginia Tech
Virginia Tech: Parentheses and Rules for Use
This resource contains five rules for correctly using parentheses and a section regarding capitalization within parentheses. Examples are included for each of the rules.
Towson University
Towson University: Online Writing Support: Parentheses
This entry explains the uses for parentheses and provides examples.
Grammarly
Grammarly Blog: Comma Before Parenthesis
This page explains the proper use of commas with parenthesis: no comma before a parenthesis, no comma after a parenthesis unless it is needed for another reason such as a long introductory clause in a complex sentence, and no commas if...
Sophia Learning
Sophia: Parentheses
This lesson introduces parentheses and how they are used. This tutorial lesson shares a short slideshow with the lesson's content.
Grammarly
Grammarly Blog: Parentheses and Brackets
Rules and examples for using parentheses and brackets correctly in sentences.
Other
Grammar Book: Parentheses and Brackets
Included on this site are three rules for correct usage of parentheses, along with examples for all of the rules, and a quiz.
Khan Academy
Khan Academy: Introduction to the Parenthesis
Parentheses are used to set off extra information from a sentence, show an interruption, or indicate a reference. Practice identifying their uses in this exercise!
Washington State University
Washington State University: Parentheses
This site from the Washington State University is designed to inform the reader of the most common errors regarding the use of parentheses.
Sophia Learning
Sophia: Parentheses
This lesson introduces parentheses and how they are used. This tutorial lesson shares a short slideshow and provides review questions over the lesson's content.
University of Victoria (Canada)
The U Vic Writer's Guide: Grammar: Parentheses
This site contains information regarding the correct usage of parentheses, along with examples.