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
he 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
he 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
he 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
he 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 ought not to underinsure
you ought not to underinsure
he ought not to underinsure
we ought not to underinsure
you ought not to underinsure
they ought not to underinsure 	I ought not to underinsuring
you ought not to underinsuring
he ought not to underinsuring
we ought not to underinsuring
you ought not to underinsuring
they ought not to underinsuring	I ought not to have underinsured
you ought not to have underinsured
he ought not to have underinsured
we ought not to have underinsured
you ought not to have underinsured
they ought not to have underinsured	I ought not to have been underinsuring
you ought not to have been underinsuring
he ought not to have been underinsuring
we ought not to have been underinsuring
you ought not to have been underinsuring
they ought not 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 he 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 he 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 he 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 he 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 	
ought I not to underinsure?
ought you not to underinsure?
ought he not to underinsure?
ought we not to underinsure?
ought you not to underinsure?
ought they not to underinsure? 	ought I not to be underinsuring?
ought you not to be underinsuring?
ought he not to be underinsuring?
ought we not to be underinsuring?
ought you not to be underinsuring?
ought they not to be underinsuring? 	ought I not to have underinsured?
ought you not to have underinsured?
ought he not to have underinsured?
ought we not to have underinsured?
ought you not to have underinsured?
ought they not to have underinsured? 	ought I not to have been underinsuring?
ought you not to have been underinsuring?
ought he not to have been underinsuring?
ought we not to have been underinsuring?
ought you not to have been underinsuring?
ought they not to have been underinsuring?