When should you use commas with phrases that start with who, whose, which, when, or where?
A) You should never use commas with those words.
B) You should always use commas with those words.
C) You should use commas with those words if they are necessary for understanding the sentence.
D) You should use commas with those words if they are not necessary for understanding the sentence.

Question

Quizplus · Accepted Answer

Commas should be used with phrases starting with who, whose, which, when, or where if the phrases are nonrestrictive, meaning they are not essential to the meaning of the sentence. These commas act as a way to set off additional information that is not critical to the main point being made.

When Should You Use Commas with Phrases That Start with Who