ought to vitiate
Regular verb: vitiate - vitiated- vitiated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to vitiate
you ought to vitiate
he ought to vitiate
we ought to vitiate
you ought to vitiate
they ought to vitiate 	I ought to be vitiating
you ought to be vitiating
he ought to be vitiating
we ought to be vitiating
you ought to be vitiating
they ought to be vitiating	I ought to have vitiated
you ought to have vitiated
he ought to have vitiated
we ought to have vitiated
you ought to have vitiated
they ought to have vitiated	I ought to have been vitiating
you ought to have been vitiating
he ought to have been vitiating
we ought to have been vitiating
you ought to have been vitiating
they ought to have been vitiating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to vitiate
you ought not to vitiate
he ought not to vitiate
we ought not to vitiate
you ought not to vitiate
they ought not to vitiate 	I ought not to vitiating
you ought not to vitiating
he ought not to vitiating
we ought not to vitiating
you ought not to vitiating
they ought not to vitiating	I ought not to have vitiated
you ought not to have vitiated
he ought not to have vitiated
we ought not to have vitiated
you ought not to have vitiated
they ought not to have vitiated	I ought not to have been vitiating
you ought not to have been vitiating
he ought not to have been vitiating
we ought not to have been vitiating
you ought not to have been vitiating
they ought not to have been vitiating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I vitiate?
ought to you vitiate?
ought to he vitiate?
ought to we vitiate?
ought to you vitiate?
ought to they vitiate? 	ought to I be vitiating?
ought to you be vitiating?
ought to he be vitiating?
ought to we be vitiating?
ought to you be vitiating?
ought to they be vitiating? 	ought to I have vitiated?
ought to you have vitiated?
ought to he have vitiated?
ought to we have vitiated?
ought to you have vitiated?
ought to they have vitiated? 	ought to I have been vitiating?
ought to you have been vitiating?
ought to he have been vitiating?
ought to we have been vitiating?
ought to you have been vitiating?
ought to they have been vitiating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to vitiate?
ought you not to vitiate?
ought he not to vitiate?
ought we not to vitiate?
ought you not to vitiate?
ought they not to vitiate? 	ought I not to be vitiating?
ought you not to be vitiating?
ought he not to be vitiating?
ought we not to be vitiating?
ought you not to be vitiating?
ought they not to be vitiating? 	ought I not to have vitiated?
ought you not to have vitiated?
ought he not to have vitiated?
ought we not to have vitiated?
ought you not to have vitiated?
ought they not to have vitiated? 	ought I not to have been vitiating?
ought you not to have been vitiating?
ought he not to have been vitiating?
ought we not to have been vitiating?
ought you not to have been vitiating?
ought they not to have been vitiating?