English verb conjugation
MUST DICKER

Regular verb: dicker - dickered - dickered

Affirmation

Simple form	V-ing form
I must dicker you must dicker she must dicker we must dicker you must dicker they must dicker	I must be dickering you must be dickering she must be dickering we must be dickering you must be dickering they must be dickering
Perfect	V-ing perfect
I must have dickered you must have dickered she must have dickered we must have dickered you must have dickered they must have dickered	I must have been dickering you must have been dickering she must have been dickering we must have been dickering you must have been dickering they must have been dickering

Negation

Simple form	V-ing form
I mustn't dicker you mustn't dicker she mustn't dicker we mustn't dicker you mustn't dicker they mustn't dicker	I mustn't be dickering you mustn't be dickering she mustn't be dickering we mustn't be dickering you mustn't be dickering they mustn't be dickering
Perfect	V-ing perfect
I mustn't have dickered you mustn't have dickered she mustn't have dickered we mustn't have dickered you mustn't have dickered they mustn't have dickered	I mustn't have been dickering you mustn't have been dickering she mustn't have been dickering we mustn't have been dickering you mustn't have been dickering they mustn't have been dickering

Interrogative form

Simple form	V-ing form
must I dicker? must you dicker? must she dicker? must we dicker? must you dicker? must they dicker?	must I be dickering? must you be dickering? must she be dickering? must we be dickering? must you be dickering? must they be dickering?
Perfect	V-ing perfect
must I have dickered? must you have dickered? must she have dickered? must we have dickered? must you have dickered? must they have dickered?	must I have been dickering? must you have been dickering? must she have been dickering? must we have been dickering? must you have been dickering? must they have been dickering?

Interro-negative form

Simple form	V-ing form
mustn't I dicker? mustn't you dicker? mustn't she dicker? mustn't we dicker? mustn't you dicker? mustn't they dicker?	mustn't I be dickering? mustn't you be dickering? mustn't she be dickering? mustn't we be dickering? mustn't you be dickering? mustn't they be dickering?
Perfect	V-ing perfect
mustn't I have dickered? mustn't you have dickered? mustn't she have dickered? mustn't we have dickered? mustn't you have dickered? mustn't they have dickered?	mustn't I have been dickering? mustn't you have been dickering? mustn't she have been dickering? mustn't we have been dickering? mustn't you have been dickering? mustn't they have been dickering?