Is It That or Which? 

Is It That or Which? By Carol Ann Wilson Most writers don’t know the answer to this question. They use what “sounds best. “Lawyers and their secretaries especially have trouble with whether to use that or which. The general rule is, use that to introduce essential clauses and which to introduce nonessential clauses. Even though there are exceptions (Gregg Reference Manual § 1062), let’s see if we can master the general… Continue reading Is It That or Which?