I must hallucinate you must hallucinate she must hallucinate we must hallucinate you must hallucinate they must hallucinate
V-ing form
I must be hallucinating you must be hallucinating she must be hallucinating we must be hallucinating you must be hallucinating they must be hallucinating
Perfect
I must have hallucinated you must have hallucinated she must have hallucinated we must have hallucinated you must have hallucinated they must have hallucinated
V-ing perfect
I must have been hallucinating you must have been hallucinating she must have been hallucinating we must have been hallucinating you must have been hallucinating they must have been hallucinating
Negation
Simple form
I must not hallucinate you must not hallucinate she must not hallucinate we must not hallucinate you must not hallucinate they must not hallucinate
V-ing form
I must not be hallucinating you must not be hallucinating she must not be hallucinating we must not be hallucinating you must not be hallucinating they must not be hallucinating
Perfect
I must not have hallucinated you must not have hallucinated she must not have hallucinated we must not have hallucinated you must not have hallucinated they must not have hallucinated
V-ing perfect
I must not have been hallucinating you must not have been hallucinating she must not have been hallucinating we must not have been hallucinating you must not have been hallucinating they must not have been hallucinating
Interrogative form
Simple form
must I hallucinate? must you hallucinate? must she hallucinate? must we hallucinate? must you hallucinate? must they hallucinate?
V-ing form
must I be hallucinating? must you be hallucinating? must she be hallucinating? must we be hallucinating? must you be hallucinating? must they be hallucinating?
Perfect
must I have hallucinated? must you have hallucinated? must she have hallucinated? must we have hallucinated? must you have hallucinated? must they have hallucinated?
V-ing perfect
must I have been hallucinating? must you have been hallucinating? must she have been hallucinating? must we have been hallucinating? must you have been hallucinating? must they have been hallucinating?
Interro-negative form
Simple form
must I not hallucinate? must you not hallucinate? must she not hallucinate? must we not hallucinate? must you not hallucinate? must they not hallucinate?
V-ing form
must I not be hallucinating? must you not be hallucinating? must she not be hallucinating? must we not be hallucinating? must you not be hallucinating? must they not be hallucinating?
Perfect
must I not have hallucinated? must you not have hallucinated? must she not have hallucinated? must we not have hallucinated? must you not have hallucinated? must they not have hallucinated?
V-ing perfect
must I not have been hallucinating? must you not have been hallucinating? must she not have been hallucinating? must we not have been hallucinating? must you not have been hallucinating? must they not have been hallucinating?