might underinsure
Regular verb: underinsure - underinsured- underinsured

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

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

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

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