ought to obviate
Regular verb: obviate - obviated- obviated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to obviate
you ought to obviate
he ought to obviate
we ought to obviate
you ought to obviate
they ought to obviate 	I ought to be obviating
you ought to be obviating
he ought to be obviating
we ought to be obviating
you ought to be obviating
they ought to be obviating	I ought to have obviated
you ought to have obviated
he ought to have obviated
we ought to have obviated
you ought to have obviated
they ought to have obviated	I ought to have been obviating
you ought to have been obviating
he ought to have been obviating
we ought to have been obviating
you ought to have been obviating
they ought to have been obviating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to obviate
you ought not to obviate
he ought not to obviate
we ought not to obviate
you ought not to obviate
they ought not to obviate 	I ought not to obviating
you ought not to obviating
he ought not to obviating
we ought not to obviating
you ought not to obviating
they ought not to obviating	I ought not to have obviated
you ought not to have obviated
he ought not to have obviated
we ought not to have obviated
you ought not to have obviated
they ought not to have obviated	I ought not to have been obviating
you ought not to have been obviating
he ought not to have been obviating
we ought not to have been obviating
you ought not to have been obviating
they ought not to have been obviating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I obviate?
ought to you obviate?
ought to he obviate?
ought to we obviate?
ought to you obviate?
ought to they obviate? 	ought to I be obviating?
ought to you be obviating?
ought to he be obviating?
ought to we be obviating?
ought to you be obviating?
ought to they be obviating? 	ought to I have obviated?
ought to you have obviated?
ought to he have obviated?
ought to we have obviated?
ought to you have obviated?
ought to they have obviated? 	ought to I have been obviating?
ought to you have been obviating?
ought to he have been obviating?
ought to we have been obviating?
ought to you have been obviating?
ought to they have been obviating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to obviate?
ought you not to obviate?
ought he not to obviate?
ought we not to obviate?
ought you not to obviate?
ought they not to obviate? 	ought I not to be obviating?
ought you not to be obviating?
ought he not to be obviating?
ought we not to be obviating?
ought you not to be obviating?
ought they not to be obviating? 	ought I not to have obviated?
ought you not to have obviated?
ought he not to have obviated?
ought we not to have obviated?
ought you not to have obviated?
ought they not to have obviated? 	ought I not to have been obviating?
ought you not to have been obviating?
ought he not to have been obviating?
ought we not to have been obviating?
ought you not to have been obviating?
ought they not to have been obviating?