English verb conjugation
MUST INSURE

Regular verb: insure - insured - insured

Affirmation

Simple form	V-ing form
I must insure you must insure she must insure we must insure you must insure they must insure	I must be insuring you must be insuring she 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 she 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 she 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 mustn't insure you mustn't insure she mustn't insure we mustn't insure you mustn't insure they mustn't insure	I mustn't be insuring you mustn't be insuring she mustn't be insuring we mustn't be insuring you mustn't be insuring they mustn't be insuring
Perfect	V-ing perfect
I mustn't have insured you mustn't have insured she mustn't have insured we mustn't have insured you mustn't have insured they mustn't have insured	I mustn't have been insuring you mustn't have been insuring she mustn't have been insuring we mustn't have been insuring you mustn't have been insuring they mustn't have been insuring

Interrogative form

Simple form	V-ing form
must I insure? must you insure? must she insure? must we insure? must you insure? must they insure?	must I be insuring? must you be insuring? must she 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 she 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 she 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
mustn't I insure? mustn't you insure? mustn't she insure? mustn't we insure? mustn't you insure? mustn't they insure?	mustn't I be insuring? mustn't you be insuring? mustn't she be insuring? mustn't we be insuring? mustn't you be insuring? mustn't they be insuring?
Perfect	V-ing perfect
mustn't I have insured? mustn't you have insured? mustn't she have insured? mustn't we have insured? mustn't you have insured? mustn't they have insured?	mustn't I have been insuring? mustn't you have been insuring? mustn't she have been insuring? mustn't we have been insuring? mustn't you have been insuring? mustn't they have been insuring?