I may dicker you may dicker she may dicker we may dicker you may dicker they may dicker
V-ing form
I may be dickering you may be dickering she may be dickering we may be dickering you may be dickering they may be dickering
Perfect
I may have dickered you may have dickered she may have dickered we may have dickered you may have dickered they may have dickered
V-ing perfect
I may have been dickering you may have been dickering she may have been dickering we may have been dickering you may have been dickering they may have been dickering
Negation
Simple form
I may not dicker you may not dicker she may not dicker we may not dicker you may not dicker they may not dicker
V-ing form
I may not be dickering you may not be dickering she may not be dickering we may not be dickering you may not be dickering they may not be dickering
Perfect
I may not have dickered you may not have dickered she may not have dickered we may not have dickered you may not have dickered they may not have dickered
V-ing perfect
I may not have been dickering you may not have been dickering she may not have been dickering we may not have been dickering you may not have been dickering they may not have been dickering
Interrogative form
Simple form
may I dicker? may you dicker? may she dicker? may we dicker? may you dicker? may they dicker?
V-ing form
may I be dickering? may you be dickering? may she be dickering? may we be dickering? may you be dickering? may they be dickering?
Perfect
may I have dickered? may you have dickered? may she have dickered? may we have dickered? may you have dickered? may they have dickered?
V-ing perfect
may I have been dickering? may you have been dickering? may she have been dickering? may we have been dickering? may you have been dickering? may they have been dickering?
Interro-negative form
Simple form
may I not dicker? may you not dicker? may she not dicker? may we not dicker? may you not dicker? may they not dicker?
V-ing form
may I not be dickering? may you not be dickering? may she not be dickering? may we not be dickering? may you not be dickering? may they not be dickering?
Perfect
may I not have dickered? may you not have dickered? may she not have dickered? may we not have dickered? may you not have dickered? may they not have dickered?
V-ing perfect
may I not have been dickering? may you not have been dickering? may she not have been dickering? may we not have been dickering? may you not have been dickering? may they not have been dickering?