Which should you use, whatever or whenever? Whatever and whenever are often used to introduce a sentence. The question is when to use which.
If you want to say that something is not important, use whatever.
Correct: |
Whatever you buy, you get cashback. (It makes no difference what you buy, you get cashback.) |
If you want to say that a specific time is not important, use whenever.
Correct: |
Whenever you buy, you get cashback. (Every time that you buy, you get cashback.) |