ought to underinsure
Regular verb: underinsure - underinsured- underinsured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to underinsure
you ought to underinsure
she ought to underinsure
we ought to underinsure
you ought to underinsure
they ought to underinsure 	I ought to be underinsuring
you ought to be underinsuring
she ought to be underinsuring
we ought to be underinsuring
you ought to be underinsuring
they ought to be underinsuring	I ought to have underinsured
you ought to have underinsured
she ought to have underinsured
we ought to have underinsured
you ought to have underinsured
they ought to have underinsured	I ought to have been underinsuring
you ought to have been underinsuring
she ought to have been underinsuring
we ought to have been underinsuring
you ought to have been underinsuring
they ought to have been underinsuring	

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

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I underinsure?
ought to you underinsure?
ought to she underinsure?
ought to we underinsure?
ought to you underinsure?
ought to they underinsure? 	ought to I be underinsuring?
ought to you be underinsuring?
ought to she be underinsuring?
ought to we be underinsuring?
ought to you be underinsuring?
ought to they be underinsuring? 	ought to I have underinsured?
ought to you have underinsured?
ought to she have underinsured?
ought to we have underinsured?
ought to you have underinsured?
ought to they have underinsured? 	ought to I have been underinsuring?
ought to you have been underinsuring?
ought to she have been underinsuring?
ought to we have been underinsuring?
ought to you have been underinsuring?
ought to they have been underinsuring? 	

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