English verb conjugation
MUST FINGER

Regular verb: finger - fingered - fingered

Affirmation

Simple form	V-ing form
I must finger you must finger he must finger we must finger you must finger they must finger	I must be fingering you must be fingering he must be fingering we must be fingering you must be fingering they must be fingering
Perfect	V-ing perfect
I must have fingered you must have fingered he must have fingered we must have fingered you must have fingered they must have fingered	I must have been fingering you must have been fingering he must have been fingering we must have been fingering you must have been fingering they must have been fingering

Negation

Simple form	V-ing form
I mustn't finger you mustn't finger he mustn't finger we mustn't finger you mustn't finger they mustn't finger	I mustn't be fingering you mustn't be fingering he mustn't be fingering we mustn't be fingering you mustn't be fingering they mustn't be fingering
Perfect	V-ing perfect
I mustn't have fingered you mustn't have fingered he mustn't have fingered we mustn't have fingered you mustn't have fingered they mustn't have fingered	I mustn't have been fingering you mustn't have been fingering he mustn't have been fingering we mustn't have been fingering you mustn't have been fingering they mustn't have been fingering

Interrogative form

Simple form	V-ing form
must I finger? must you finger? must he finger? must we finger? must you finger? must they finger?	must I be fingering? must you be fingering? must he be fingering? must we be fingering? must you be fingering? must they be fingering?
Perfect	V-ing perfect
must I have fingered? must you have fingered? must he have fingered? must we have fingered? must you have fingered? must they have fingered?	must I have been fingering? must you have been fingering? must he have been fingering? must we have been fingering? must you have been fingering? must they have been fingering?

Interro-negative form

Simple form	V-ing form
mustn't I finger? mustn't you finger? mustn't he finger? mustn't we finger? mustn't you finger? mustn't they finger?	mustn't I be fingering? mustn't you be fingering? mustn't he be fingering? mustn't we be fingering? mustn't you be fingering? mustn't they be fingering?
Perfect	V-ing perfect
mustn't I have fingered? mustn't you have fingered? mustn't he have fingered? mustn't we have fingered? mustn't you have fingered? mustn't they have fingered?	mustn't I have been fingering? mustn't you have been fingering? mustn't he have been fingering? mustn't we have been fingering? mustn't you have been fingering? mustn't they have been fingering?