I must comminute you must comminute she must comminute we must comminute you must comminute they must comminute
V-ing form
I must be comminuting you must be comminuting she must be comminuting we must be comminuting you must be comminuting they must be comminuting
Perfect
I must have comminuted you must have comminuted she 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 she 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 she 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 she 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 she 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 she 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 she comminute? must we comminute? must you comminute? must they comminute?
V-ing form
must I be comminuting? must you be comminuting? must she be comminuting? must we be comminuting? must you be comminuting? must they be comminuting?
Perfect
must I have comminuted? must you have comminuted? must she 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 she 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 she 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 she 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 she 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 she have been comminuting? mustn't we have been comminuting? mustn't you have been comminuting? mustn't they have been comminuting?