English verb conjugation
COULD UNDERINSURE

Regular verb: underinsure - underinsured - underinsured

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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