Commas with Additional InformationUse a comma if the additional information is not part of the main statement.
Thank you, ladies and gentlemen, for giving me the opportunity to speak to you today.
Use a comma in relative clauses before who and which if the information is not essential for the understanding of the sentence.
Donít use a comma in relative clauses if the information is essential for the understanding of the sentence.
Donít use a comma if the relative clause starts with that.
Commas with OppositesUse a comma with opposites, even if they are separated by and or but.
It was the father, and not the son, who went to the disco every Friday.
Directions: Select the correctly punctuated sentence in each question. Write five more examples each for using commas for additional information and commas with opposites. As a homework, read a book and find sentences in which commas were used for additional information or with opposites.