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 mustn't hallucinate you mustn't hallucinate she mustn't hallucinate we mustn't hallucinate you mustn't hallucinate they mustn't hallucinate
V-ing form
I mustn't be hallucinating you mustn't be hallucinating she mustn't be hallucinating we mustn't be hallucinating you mustn't be hallucinating they mustn't be hallucinating
Perfect
I mustn't have hallucinated you mustn't have hallucinated she mustn't have hallucinated we mustn't have hallucinated you mustn't have hallucinated they mustn't have hallucinated
V-ing perfect
I mustn't have been hallucinating you mustn't have been hallucinating she mustn't have been hallucinating we mustn't have been hallucinating you mustn't have been hallucinating they mustn't 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
mustn't I hallucinate? mustn't you hallucinate? mustn't she hallucinate? mustn't we hallucinate? mustn't you hallucinate? mustn't they hallucinate?
V-ing form
mustn't I be hallucinating? mustn't you be hallucinating? mustn't she be hallucinating? mustn't we be hallucinating? mustn't you be hallucinating? mustn't they be hallucinating?
Perfect
mustn't I have hallucinated? mustn't you have hallucinated? mustn't she have hallucinated? mustn't we have hallucinated? mustn't you have hallucinated? mustn't they have hallucinated?
V-ing perfect
mustn't I have been hallucinating? mustn't you have been hallucinating? mustn't she have been hallucinating? mustn't we have been hallucinating? mustn't you have been hallucinating? mustn't they have been hallucinating?