Punctuation Rules for Commas in Written English
Punctuation is a convention of writing that helps readers more clearly understand written language. There are ten punctuation rules for using commas as punctuation marks in written American English: Separating items in a series Separating verb clauses After adverbials that precede the main clause Separating coordinate adjectives Separating nonrestrictive adjective clauses Separating nonessential appositives Separating […] More