Identify the correct use of commas (i.e., compound sentences, coordinating conjunctions, introductory words, appositives, interrupters) within context. SPI 0701.1.6

Links verified on 5/22/2014

1. Commas Set off Nonessential Elements - rules and examples
2. Punctuation: Fill-in-the-Blanks - provide a comma, semicolon, or colon where appropriate or write a small-case "x" (without the quotation marks) where none of those marks is appropriate.
3. Quiz on Punctuation - Select the option which shows how that portion should be punctuated. Select The explanation, please! to learn the grammar rule(s) behind the correct answer
4. Using Commas with Coordinating Conjunctions -Insert any necessary commas in the sentence above before clicking on "Grammar's Version." online quiz
5. Using Commas with Introductory Phrases - Insert any necessary commas in the sentence before clicking on "Grammar's Version."