Commas are among the most misused punctuation marks in English. They have specific rules for lists, clauses, introductory phrases, and more. Both missing commas and unnecessary commas change the rhythm and sometimes the meaning of a sentence.
Practice
Which sentence is correctly punctuated?
After dinnerwe watched a movie together.
Put the words in the correct order with correct punctuation:
Which sentence uses a comma correctly to set off a name when speaking directly to someone?
My brotherwho lives in Denver, is visiting next week.
Which sentence is correctly punctuated?
Put the words in the correct order with correct punctuation:
The bakery sells breadcakes, and cookies.
Which sentence correctly uses a comma before a coordinating conjunction joining two complete sentences?
Put the words in the correct order with correct punctuation: