English verb conjugation
MUST IRRUPT

Regular verb: irrupt - irrupted - irrupted

Affirmation

Simple form	V-ing form
I must irrupt you must irrupt he must irrupt we must irrupt you must irrupt they must irrupt	I must be irrupting you must be irrupting he must be irrupting we must be irrupting you must be irrupting they must be irrupting
Perfect	V-ing perfect
I must have irrupted you must have irrupted he must have irrupted we must have irrupted you must have irrupted they must have irrupted	I must have been irrupting you must have been irrupting he must have been irrupting we must have been irrupting you must have been irrupting they must have been irrupting

Negation

Simple form	V-ing form
I mustn't irrupt you mustn't irrupt he mustn't irrupt we mustn't irrupt you mustn't irrupt they mustn't irrupt	I mustn't be irrupting you mustn't be irrupting he mustn't be irrupting we mustn't be irrupting you mustn't be irrupting they mustn't be irrupting
Perfect	V-ing perfect
I mustn't have irrupted you mustn't have irrupted he mustn't have irrupted we mustn't have irrupted you mustn't have irrupted they mustn't have irrupted	I mustn't have been irrupting you mustn't have been irrupting he mustn't have been irrupting we mustn't have been irrupting you mustn't have been irrupting they mustn't have been irrupting

Interrogative form

Simple form	V-ing form
must I irrupt? must you irrupt? must he irrupt? must we irrupt? must you irrupt? must they irrupt?	must I be irrupting? must you be irrupting? must he be irrupting? must we be irrupting? must you be irrupting? must they be irrupting?
Perfect	V-ing perfect
must I have irrupted? must you have irrupted? must he have irrupted? must we have irrupted? must you have irrupted? must they have irrupted?	must I have been irrupting? must you have been irrupting? must he have been irrupting? must we have been irrupting? must you have been irrupting? must they have been irrupting?

Interro-negative form

Simple form	V-ing form
mustn't I irrupt? mustn't you irrupt? mustn't he irrupt? mustn't we irrupt? mustn't you irrupt? mustn't they irrupt?	mustn't I be irrupting? mustn't you be irrupting? mustn't he be irrupting? mustn't we be irrupting? mustn't you be irrupting? mustn't they be irrupting?
Perfect	V-ing perfect
mustn't I have irrupted? mustn't you have irrupted? mustn't he have irrupted? mustn't we have irrupted? mustn't you have irrupted? mustn't they have irrupted?	mustn't I have been irrupting? mustn't you have been irrupting? mustn't he have been irrupting? mustn't we have been irrupting? mustn't you have been irrupting? mustn't they have been irrupting?