English verb conjugation
MUST INSURE

Regular verb: insure - insured - insured

Affirmation

Simple form	V-ing form
I must insure you must insure he must insure we must insure you must insure they must insure	I must be insuring you must be insuring he must be insuring we must be insuring you must be insuring they must be insuring
Perfect	V-ing perfect
I must have insured you must have insured he must have insured we must have insured you must have insured they must have insured	I must have been insuring you must have been insuring he must have been insuring we must have been insuring you must have been insuring they must have been insuring

Negation

Simple form	V-ing form
I must not insure you must not insure he must not insure we must not insure you must not insure they must not insure	I must not be insuring you must not be insuring he must not be insuring we must not be insuring you must not be insuring they must not be insuring
Perfect	V-ing perfect
I must not have insured you must not have insured he must not have insured we must not have insured you must not have insured they must not have insured	I must not have been insuring you must not have been insuring he must not have been insuring we must not have been insuring you must not have been insuring they must not have been insuring

Interrogative form

Simple form	V-ing form
must I insure? must you insure? must he insure? must we insure? must you insure? must they insure?	must I be insuring? must you be insuring? must he be insuring? must we be insuring? must you be insuring? must they be insuring?
Perfect	V-ing perfect
must I have insured? must you have insured? must he have insured? must we have insured? must you have insured? must they have insured?	must I have been insuring? must you have been insuring? must he have been insuring? must we have been insuring? must you have been insuring? must they have been insuring?

Interro-negative form

Simple form	V-ing form
must I not insure? must you not insure? must he not insure? must we not insure? must you not insure? must they not insure?	must I not be insuring? must you not be insuring? must he not be insuring? must we not be insuring? must you not be insuring? must they not be insuring?
Perfect	V-ing perfect
must I not have insured? must you not have insured? must he not have insured? must we not have insured? must you not have insured? must they not have insured?	must I not have been insuring? must you not have been insuring? must he not have been insuring? must we not have been insuring? must you not have been insuring? must they not have been insuring?