relative pronoun and interrogative pronoun
Grammar.com’s section on Problem Words discusses which and that. Click here for that discussion.
Example: Our house, which we bought in 2004, needed renovations. relative pronoun
Example: Which one do you want? interrogative pronoun
The Web's Largest Resource for
Grammar & Spelling
A Member Of The STANDS4 Network
It’s now more important than ever to develop a powerful writing style. After all, most communication takes place in reports, emails, and instant messages.