restrictive clause

When to use ‘that’ and when to use ‘which’?

THAT should be used to introduce a restrictive clause. WHICH should be used to introduce a non-restrictive or parenthetical clause. A restrictive clause is one which is essential to the meaning of a sentence – if it’s removed, the meaning of the sentence will change. Example: The book that you gave me last night has several pages missing. Can … Continue reading →