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