I must comminute you must comminute he must comminute we must comminute you must comminute they must comminute
V-ing form
I must be comminuting you must be comminuting he must be comminuting we must be comminuting you must be comminuting they must be comminuting
Perfect
I must have comminuted you must have comminuted he must have comminuted we must have comminuted you must have comminuted they must have comminuted
V-ing perfect
I must have been comminuting you must have been comminuting he must have been comminuting we must have been comminuting you must have been comminuting they must have been comminuting
Negation
Simple form
I mustn't comminute you mustn't comminute he mustn't comminute we mustn't comminute you mustn't comminute they mustn't comminute
V-ing form
I mustn't be comminuting you mustn't be comminuting he mustn't be comminuting we mustn't be comminuting you mustn't be comminuting they mustn't be comminuting
Perfect
I mustn't have comminuted you mustn't have comminuted he mustn't have comminuted we mustn't have comminuted you mustn't have comminuted they mustn't have comminuted
V-ing perfect
I mustn't have been comminuting you mustn't have been comminuting he mustn't have been comminuting we mustn't have been comminuting you mustn't have been comminuting they mustn't have been comminuting
Interrogative form
Simple form
must I comminute? must you comminute? must he comminute? must we comminute? must you comminute? must they comminute?
V-ing form
must I be comminuting? must you be comminuting? must he be comminuting? must we be comminuting? must you be comminuting? must they be comminuting?
Perfect
must I have comminuted? must you have comminuted? must he have comminuted? must we have comminuted? must you have comminuted? must they have comminuted?
V-ing perfect
must I have been comminuting? must you have been comminuting? must he have been comminuting? must we have been comminuting? must you have been comminuting? must they have been comminuting?
Interro-negative form
Simple form
mustn't I comminute? mustn't you comminute? mustn't he comminute? mustn't we comminute? mustn't you comminute? mustn't they comminute?
V-ing form
mustn't I be comminuting? mustn't you be comminuting? mustn't he be comminuting? mustn't we be comminuting? mustn't you be comminuting? mustn't they be comminuting?
Perfect
mustn't I have comminuted? mustn't you have comminuted? mustn't he have comminuted? mustn't we have comminuted? mustn't you have comminuted? mustn't they have comminuted?
V-ing perfect
mustn't I have been comminuting? mustn't you have been comminuting? mustn't he have been comminuting? mustn't we have been comminuting? mustn't you have been comminuting? mustn't they have been comminuting?