English verb conjugation
MUST IRRUPT

Regular verb: irrupt - irrupted - irrupted

Affirmation

Simple form	V-ing form
I must irrupt you must irrupt she must irrupt we must irrupt you must irrupt they must irrupt	I must be irrupting you must be irrupting she 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 she 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 she 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 must not irrupt you must not irrupt she must not irrupt we must not irrupt you must not irrupt they must not irrupt	I must not be irrupting you must not be irrupting she must not be irrupting we must not be irrupting you must not be irrupting they must not be irrupting
Perfect	V-ing perfect
I must not have irrupted you must not have irrupted she must not have irrupted we must not have irrupted you must not have irrupted they must not have irrupted	I must not have been irrupting you must not have been irrupting she must not have been irrupting we must not have been irrupting you must not have been irrupting they must not have been irrupting

Interrogative form

Simple form	V-ing form
must I irrupt? must you irrupt? must she irrupt? must we irrupt? must you irrupt? must they irrupt?	must I be irrupting? must you be irrupting? must she 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 she 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 she 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
must I not irrupt? must you not irrupt? must she not irrupt? must we not irrupt? must you not irrupt? must they not irrupt?	must I not be irrupting? must you not be irrupting? must she not be irrupting? must we not be irrupting? must you not be irrupting? must they not be irrupting?
Perfect	V-ing perfect
must I not have irrupted? must you not have irrupted? must she not have irrupted? must we not have irrupted? must you not have irrupted? must they not have irrupted?	must I not have been irrupting? must you not have been irrupting? must she not have been irrupting? must we not have been irrupting? must you not have been irrupting? must they not have been irrupting?