ought to overfish
Regular verb: overfish - overfished- overfished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to overfish
you ought to overfish
she ought to overfish
we ought to overfish
you ought to overfish
they ought to overfish 	I ought to be overfishing
you ought to be overfishing
she ought to be overfishing
we ought to be overfishing
you ought to be overfishing
they ought to be overfishing	I ought to have overfished
you ought to have overfished
she ought to have overfished
we ought to have overfished
you ought to have overfished
they ought to have overfished	I ought to have been overfishing
you ought to have been overfishing
she ought to have been overfishing
we ought to have been overfishing
you ought to have been overfishing
they ought to have been overfishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to overfish
you ought not to overfish
she ought not to overfish
we ought not to overfish
you ought not to overfish
they ought not to overfish 	I ought not to overfishing
you ought not to overfishing
she ought not to overfishing
we ought not to overfishing
you ought not to overfishing
they ought not to overfishing	I ought not to have overfished
you ought not to have overfished
she ought not to have overfished
we ought not to have overfished
you ought not to have overfished
they ought not to have overfished	I ought not to have been overfishing
you ought not to have been overfishing
she ought not to have been overfishing
we ought not to have been overfishing
you ought not to have been overfishing
they ought not to have been overfishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I overfish?
ought to you overfish?
ought to she overfish?
ought to we overfish?
ought to you overfish?
ought to they overfish? 	ought to I be overfishing?
ought to you be overfishing?
ought to she be overfishing?
ought to we be overfishing?
ought to you be overfishing?
ought to they be overfishing? 	ought to I have overfished?
ought to you have overfished?
ought to she have overfished?
ought to we have overfished?
ought to you have overfished?
ought to they have overfished? 	ought to I have been overfishing?
ought to you have been overfishing?
ought to she have been overfishing?
ought to we have been overfishing?
ought to you have been overfishing?
ought to they have been overfishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to overfish?
ought you not to overfish?
ought she not to overfish?
ought we not to overfish?
ought you not to overfish?
ought they not to overfish? 	ought I not to be overfishing?
ought you not to be overfishing?
ought she not to be overfishing?
ought we not to be overfishing?
ought you not to be overfishing?
ought they not to be overfishing? 	ought I not to have overfished?
ought you not to have overfished?
ought she not to have overfished?
ought we not to have overfished?
ought you not to have overfished?
ought they not to have overfished? 	ought I not to have been overfishing?
ought you not to have been overfishing?
ought she not to have been overfishing?
ought we not to have been overfishing?
ought you not to have been overfishing?
ought they not to have been overfishing?