English verb conjugation
CAN UNDERINSURE

Regular verb: underinsure - underinsured - underinsured

Affirmation

Simple form	V-ing form
I can underinsure you can underinsure he can underinsure we can underinsure you can underinsure they can underinsure	I can be underinsuring you can be underinsuring he can be underinsuring we can be underinsuring you can be underinsuring they can be underinsuring
Perfect	V-ing perfect
I can have underinsured you can have underinsured he can have underinsured we can have underinsured you can have underinsured they can have underinsured	I can have been underinsuring you can have been underinsuring he can have been underinsuring we can have been underinsuring you can have been underinsuring they can have been underinsuring

Negation

Simple form	V-ing form
I can't underinsure you can't underinsure he can't underinsure we can't underinsure you can't underinsure they can't underinsure	I can't be underinsuring you can't be underinsuring he can't be underinsuring we can't be underinsuring you can't be underinsuring they can't be underinsuring
Perfect	V-ing perfect
I can't have underinsured you can't have underinsured he can't have underinsured we can't have underinsured you can't have underinsured they can't have underinsured	I can't have been underinsuring you can't have been underinsuring he can't have been underinsuring we can't have been underinsuring you can't have been underinsuring they can't have been underinsuring

Interrogative form

Simple form	V-ing form
can I underinsure? can you underinsure? can he underinsure? can we underinsure? can you underinsure? can they underinsure?	can I be underinsuring? can you be underinsuring? can he be underinsuring? can we be underinsuring? can you be underinsuring? can they be underinsuring?
Perfect	V-ing perfect
can I have underinsured? can you have underinsured? can he have underinsured? can we have underinsured? can you have underinsured? can they have underinsured?	can I have been underinsuring? can you have been underinsuring? can he have been underinsuring? can we have been underinsuring? can you have been underinsuring? can they have been underinsuring?

Interro-negative form

Simple form	V-ing form
can't I underinsure? can't you underinsure? can't he underinsure? can't we underinsure? can't you underinsure? can't they underinsure?	can't I be underinsuring? can't you be underinsuring? can't he be underinsuring? can't we be underinsuring? can't you be underinsuring? can't they be underinsuring?
Perfect	V-ing perfect
can't I have underinsured? can't you have underinsured? can't he have underinsured? can't we have underinsured? can't you have underinsured? can't they have underinsured?	can't I have been underinsuring? can't you have been underinsuring? can't he have been underinsuring? can't we have been underinsuring? can't you have been underinsuring? can't they have been underinsuring?