must finger
Regular verb: finger - fingered- fingered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must finger
you must finger
she must finger
we must finger
you must finger
they must finger 	I must be fingering
you must be fingering
she must be fingering
we must be fingering
you must be fingering
they must be fingering	I must have fingered
you must have fingered
she 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
she 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 must not finger
you must not finger
she must not finger
we must not finger
you must not finger
they must not finger 	I must not be fingering
you must not be fingering
she must not be fingering
we must not be fingering
you must not be fingering
they must not be fingering	I must not have fingered
you must not have fingered
she must not have fingered
we must not have fingered
you must not have fingered
they must not have fingered	I must not have been fingering
you must not have been fingering
she must not have been fingering
we must not have been fingering
you must not have been fingering
they must not have been fingering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I finger?
must you finger?
must she finger?
must we finger?
must you finger?
must they finger? 	must I be fingering?
must you be fingering?
must she be fingering?
must we be fingering?
must you be fingering?
must they be fingering? 	must I have fingered?
must you have fingered?
must she 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 she 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 	
must I not finger?
must you not finger?
must she not finger?
must we not finger?
must you not finger?
must they not finger? 	must I not be fingering?
must you not be fingering?
must she not be fingering?
must we not be fingering?
must you not be fingering?
must they not be fingering? 	must I not have fingered?
must you not have fingered?
must she not have fingered?
must we not have fingered?
must you not have fingered?
must they not have fingered? 	must I not have been fingering?
must you not have been fingering?
must she not have been fingering?
must we not have been fingering?
must you not have been fingering?
must they not have been fingering?