Place; as here, there, no-where.
Order; as by Turns, abreast, orderly.
Quantity; as enough, more, entirely.
Number; as once, twice, thrice.
Doubting; as perhaps, may be, peradventure.
Asking; as why? whence? wherefore?.
Affirmation; as yes, indeed, certainly.
Negation; as no, never, not at all.
Comparison; as more, less, likewise.
Quality; as justly, prudently, indifferently.