Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could insure insure you could insure insure he could insure insure we could insure insure you could insure insure they could insure insure
V-ing form
I could be insure insuring you could be insure insuring he could be insure insuring we could be insure insuring you could be insure insuring they could be insure insuring
Perfect
I could have insure insured you could have insure insured he could have insure insured we could have insure insured you could have insure insured they could have insure insured
V-ing perfect
I could have been insure insuring you could have been insure insuring he could have been insure insuring we could have been insure insuring you could have been insure insuring they could have been insure insuring
Negation
Simple form
I could not insure insure you could not insure insure he could not insure insure we could not insure insure you could not insure insure they could not insure insure
V-ing form
I could not be insure insuring you could not be insure insuring he could not be insure insuring we could not be insure insuring you could not be insure insuring they could not be insure insuring
Perfect
I could not have insure insured you could not have insure insured he could not have insure insured we could not have insure insured you could not have insure insured they could not have insure insured
V-ing perfect
I could not have been insure insuring you could not have been insure insuring he could not have been insure insuring we could not have been insure insuring you could not have been insure insuring they could not have been insure insuring
Interrogative form
Simple form
could I insure insure? could you insure insure? could he insure insure? could we insure insure? could you insure insure? could they insure insure?
V-ing form
could I be insure insuring? could you be insure insuring? could he be insure insuring? could we be insure insuring? could you be insure insuring? could they be insure insuring?
Perfect
could I have insure insured? could you have insure insured? could he have insure insured? could we have insure insured? could you have insure insured? could they have insure insured?
V-ing perfect
could I have been insure insuring? could you have been insure insuring? could he have been insure insuring? could we have been insure insuring? could you have been insure insuring? could they have been insure insuring?
Interro-negative form
Simple form
could I not insure insure? could you not insure insure? could he not insure insure? could we not insure insure? could you not insure insure? could they not insure insure?
V-ing form
could I not be insure insuring? could you not be insure insuring? could he not be insure insuring? could we not be insure insuring? could you not be insure insuring? could they not be insure insuring?
Perfect
could I not have insure insured? could you not have insure insured? could he not have insure insured? could we not have insure insured? could you not have insure insured? could they not have insure insured?
V-ing perfect
could I not have been insure insuring? could you not have been insure insuring? could he not have been insure insuring? could we not have been insure insuring? could you not have been insure insuring? could they not have been insure insuring?