must finger
Regular verb: finger - fingered- fingered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?