English verb conjugation
MUST MIRV

Regular verb: mirv - mirved - mirved

Affirmation

Simple form	V-ing form
I must mirv you must mirv he must mirv we must mirv you must mirv they must mirv	I must be mirving you must be mirving he must be mirving we must be mirving you must be mirving they must be mirving
Perfect	V-ing perfect
I must have mirved you must have mirved he must have mirved we must have mirved you must have mirved they must have mirved	I must have been mirving you must have been mirving he must have been mirving we must have been mirving you must have been mirving they must have been mirving

Negation

Simple form	V-ing form
I must not mirv you must not mirv he must not mirv we must not mirv you must not mirv they must not mirv	I must not be mirving you must not be mirving he must not be mirving we must not be mirving you must not be mirving they must not be mirving
Perfect	V-ing perfect
I must not have mirved you must not have mirved he must not have mirved we must not have mirved you must not have mirved they must not have mirved	I must not have been mirving you must not have been mirving he must not have been mirving we must not have been mirving you must not have been mirving they must not have been mirving

Interrogative form

Simple form	V-ing form
must I mirv? must you mirv? must he mirv? must we mirv? must you mirv? must they mirv?	must I be mirving? must you be mirving? must he be mirving? must we be mirving? must you be mirving? must they be mirving?
Perfect	V-ing perfect
must I have mirved? must you have mirved? must he have mirved? must we have mirved? must you have mirved? must they have mirved?	must I have been mirving? must you have been mirving? must he have been mirving? must we have been mirving? must you have been mirving? must they have been mirving?

Interro-negative form

Simple form	V-ing form
must I not mirv? must you not mirv? must he not mirv? must we not mirv? must you not mirv? must they not mirv?	must I not be mirving? must you not be mirving? must he not be mirving? must we not be mirving? must you not be mirving? must they not be mirving?
Perfect	V-ing perfect
must I not have mirved? must you not have mirved? must he not have mirved? must we not have mirved? must you not have mirved? must they not have mirved?	must I not have been mirving? must you not have been mirving? must he not have been mirving? must we not have been mirving? must you not have been mirving? must they not have been mirving?