ought to underachieve
Regular verb: underachieve - underachieved- underachieved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to underachieve
you ought to underachieve
he ought to underachieve
we ought to underachieve
you ought to underachieve
they ought to underachieve 	I ought to be underachieving
you ought to be underachieving
he ought to be underachieving
we ought to be underachieving
you ought to be underachieving
they ought to be underachieving	I ought to have underachieved
you ought to have underachieved
he ought to have underachieved
we ought to have underachieved
you ought to have underachieved
they ought to have underachieved	I ought to have been underachieving
you ought to have been underachieving
he ought to have been underachieving
we ought to have been underachieving
you ought to have been underachieving
they ought to have been underachieving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to underachieve
you ought not to underachieve
he ought not to underachieve
we ought not to underachieve
you ought not to underachieve
they ought not to underachieve 	I ought not to underachieving
you ought not to underachieving
he ought not to underachieving
we ought not to underachieving
you ought not to underachieving
they ought not to underachieving	I ought not to have underachieved
you ought not to have underachieved
he ought not to have underachieved
we ought not to have underachieved
you ought not to have underachieved
they ought not to have underachieved	I ought not to have been underachieving
you ought not to have been underachieving
he ought not to have been underachieving
we ought not to have been underachieving
you ought not to have been underachieving
they ought not to have been underachieving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I underachieve?
ought to you underachieve?
ought to he underachieve?
ought to we underachieve?
ought to you underachieve?
ought to they underachieve? 	ought to I be underachieving?
ought to you be underachieving?
ought to he be underachieving?
ought to we be underachieving?
ought to you be underachieving?
ought to they be underachieving? 	ought to I have underachieved?
ought to you have underachieved?
ought to he have underachieved?
ought to we have underachieved?
ought to you have underachieved?
ought to they have underachieved? 	ought to I have been underachieving?
ought to you have been underachieving?
ought to he have been underachieving?
ought to we have been underachieving?
ought to you have been underachieving?
ought to they have been underachieving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to underachieve?
ought you not to underachieve?
ought he not to underachieve?
ought we not to underachieve?
ought you not to underachieve?
ought they not to underachieve? 	ought I not to be underachieving?
ought you not to be underachieving?
ought he not to be underachieving?
ought we not to be underachieving?
ought you not to be underachieving?
ought they not to be underachieving? 	ought I not to have underachieved?
ought you not to have underachieved?
ought he not to have underachieved?
ought we not to have underachieved?
ought you not to have underachieved?
ought they not to have underachieved? 	ought I not to have been underachieving?
ought you not to have been underachieving?
ought he not to have been underachieving?
ought we not to have been underachieving?
ought you not to have been underachieving?
ought they not to have been underachieving?