... not a normal auxiliary expressing grammatical function, but a modal auxiliary. With a negative modal auxiliary, verb phrase falls into a situation that the negation belongs to main verb or auxiliary, ... am awake. I am awake, am I not? You are awake. You are awake, aren't you? She is awake. She is awake, isn't she? We are awake. We are awake, aren't we?27Within the scope of ... negation: clausal and subclausal. Clausal negation, sometimes called sentence negation, produces a clause which is both syntactically and semantically negative, as in "She isn't happy"....