must distribute
Regular verb: distribute - distributed- distributed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must distribute
you must distribute
she must distribute
we must distribute
you must distribute
they must distribute 	I must be distributing
you must be distributing
she must be distributing
we must be distributing
you must be distributing
they must be distributing	I must have distributed
you must have distributed
she must have distributed
we must have distributed
you must have distributed
they must have distributed	I must have been distributing
you must have been distributing
she must have been distributing
we must have been distributing
you must have been distributing
they must have been distributing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't distribute
you mustn't distribute
she mustn't distribute
we mustn't distribute
you mustn't distribute
they mustn't distribute 	I mustn't be distributing
you mustn't be distributing
she mustn't be distributing
we mustn't be distributing
you mustn't be distributing
they mustn't be distributing	I mustn't have distributed
you mustn't have distributed
she mustn't have distributed
we mustn't have distributed
you mustn't have distributed
they mustn't have distributed	I mustn't have been distributing
you mustn't have been distributing
she mustn't have been distributing
we mustn't have been distributing
you mustn't have been distributing
they mustn't have been distributing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I distribute?
must you distribute?
must she distribute?
must we distribute?
must you distribute?
must they distribute? 	must I be distributing?
must you be distributing?
must she be distributing?
must we be distributing?
must you be distributing?
must they be distributing? 	must I have distributed?
must you have distributed?
must she have distributed?
must we have distributed?
must you have distributed?
must they have distributed? 	must I have been distributing?
must you have been distributing?
must she have been distributing?
must we have been distributing?
must you have been distributing?
must they have been distributing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I distribute?
mustn't you distribute?
mustn't she distribute?
mustn't we distribute?
mustn't you distribute?
mustn't they distribute? 	mustn't I be distributing?
mustn't you be distributing?
mustn't she be distributing?
mustn't we be distributing?
mustn't you be distributing?
mustn't they be distributing? 	mustn't I have distributed?
mustn't you have distributed?
mustn't she have distributed?
mustn't we have distributed?
mustn't you have distributed?
mustn't they have distributed? 	mustn't I have been distributing?
mustn't you have been distributing?
mustn't she have been distributing?
mustn't we have been distributing?
mustn't you have been distributing?
mustn't they have been distributing?