Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can supper you can supper he can supper we can supper you can supper they can supper
V-ing form
I can be suppering you can be suppering he can be suppering we can be suppering you can be suppering they can be suppering
Perfect
I can have suppered you can have suppered he can have suppered we can have suppered you can have suppered they can have suppered
V-ing perfect
I can have been suppering you can have been suppering he can have been suppering we can have been suppering you can have been suppering they can have been suppering
Negation
Simple form
I cannot supper you cannot supper he cannot supper we cannot supper you cannot supper they cannot supper
V-ing form
I cannot be suppering you cannot be suppering he cannot be suppering we cannot be suppering you cannot be suppering they cannot be suppering
Perfect
I cannot have suppered you cannot have suppered he cannot have suppered we cannot have suppered you cannot have suppered they cannot have suppered
V-ing perfect
I cannot have been suppering you cannot have been suppering he cannot have been suppering we cannot have been suppering you cannot have been suppering they cannot have been suppering
Interrogative form
Simple form
can I supper? can you supper? can he supper? can we supper? can you supper? can they supper?
V-ing form
can I be suppering? can you be suppering? can he be suppering? can we be suppering? can you be suppering? can they be suppering?
Perfect
can I have suppered? can you have suppered? can he have suppered? can we have suppered? can you have suppered? can they have suppered?
V-ing perfect
can I have been suppering? can you have been suppering? can he have been suppering? can we have been suppering? can you have been suppering? can they have been suppering?
Interro-negative form
Simple form
can I not supper? can you not supper? can he not supper? can we not supper? can you not supper? can they not supper?
V-ing form
can I not be suppering? can you not be suppering? can he not be suppering? can we not be suppering? can you not be suppering? can they not be suppering?
Perfect
can I not have suppered? can you not have suppered? can he not have suppered? can we not have suppered? can you not have suppered? can they not have suppered?
V-ing perfect
can I not have been suppering? can you not have been suppering? can he not have been suppering? can we not have been suppering? can you not have been suppering? can they not have been suppering?