I can insure you can insure she can insure we can insure you can insure they can insure
V-ing form
I can be insuring you can be insuring she can be insuring we can be insuring you can be insuring they can be insuring
Perfect
I can have insured you can have insured she can have insured we can have insured you can have insured they can have insured
V-ing perfect
I can have been insuring you can have been insuring she can have been insuring we can have been insuring you can have been insuring they can have been insuring
Negation
Simple form
I can't insure you can't insure she can't insure we can't insure you can't insure they can't insure
V-ing form
I can't be insuring you can't be insuring she can't be insuring we can't be insuring you can't be insuring they can't be insuring
Perfect
I can't have insured you can't have insured she can't have insured we can't have insured you can't have insured they can't have insured
V-ing perfect
I can't have been insuring you can't have been insuring she can't have been insuring we can't have been insuring you can't have been insuring they can't have been insuring
Interrogative form
Simple form
can I insure? can you insure? can she insure? can we insure? can you insure? can they insure?
V-ing form
can I be insuring? can you be insuring? can she be insuring? can we be insuring? can you be insuring? can they be insuring?
Perfect
can I have insured? can you have insured? can she have insured? can we have insured? can you have insured? can they have insured?
V-ing perfect
can I have been insuring? can you have been insuring? can she have been insuring? can we have been insuring? can you have been insuring? can they have been insuring?
Interro-negative form
Simple form
can't I insure? can't you insure? can't she insure? can't we insure? can't you insure? can't they insure?
V-ing form
can't I be insuring? can't you be insuring? can't she be insuring? can't we be insuring? can't you be insuring? can't they be insuring?
Perfect
can't I have insured? can't you have insured? can't she have insured? can't we have insured? can't you have insured? can't they have insured?
V-ing perfect
can't I have been insuring? can't you have been insuring? can't she have been insuring? can't we have been insuring? can't you have been insuring? can't they have been insuring?