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