ought to sulfate
Regular verb: sulfate - sulfated- sulfated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to sulfate
you ought to sulfate
he ought to sulfate
we ought to sulfate
you ought to sulfate
they ought to sulfate 	I ought to be sulfating
you ought to be sulfating
he ought to be sulfating
we ought to be sulfating
you ought to be sulfating
they ought to be sulfating	I ought to have sulfated
you ought to have sulfated
he ought to have sulfated
we ought to have sulfated
you ought to have sulfated
they ought to have sulfated	I ought to have been sulfating
you ought to have been sulfating
he ought to have been sulfating
we ought to have been sulfating
you ought to have been sulfating
they ought to have been sulfating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to sulfate
you ought not to sulfate
he ought not to sulfate
we ought not to sulfate
you ought not to sulfate
they ought not to sulfate 	I ought not to sulfating
you ought not to sulfating
he ought not to sulfating
we ought not to sulfating
you ought not to sulfating
they ought not to sulfating	I ought not to have sulfated
you ought not to have sulfated
he ought not to have sulfated
we ought not to have sulfated
you ought not to have sulfated
they ought not to have sulfated	I ought not to have been sulfating
you ought not to have been sulfating
he ought not to have been sulfating
we ought not to have been sulfating
you ought not to have been sulfating
they ought not to have been sulfating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I sulfate?
ought to you sulfate?
ought to he sulfate?
ought to we sulfate?
ought to you sulfate?
ought to they sulfate? 	ought to I be sulfating?
ought to you be sulfating?
ought to he be sulfating?
ought to we be sulfating?
ought to you be sulfating?
ought to they be sulfating? 	ought to I have sulfated?
ought to you have sulfated?
ought to he have sulfated?
ought to we have sulfated?
ought to you have sulfated?
ought to they have sulfated? 	ought to I have been sulfating?
ought to you have been sulfating?
ought to he have been sulfating?
ought to we have been sulfating?
ought to you have been sulfating?
ought to they have been sulfating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to sulfate?
ought you not to sulfate?
ought he not to sulfate?
ought we not to sulfate?
ought you not to sulfate?
ought they not to sulfate? 	ought I not to be sulfating?
ought you not to be sulfating?
ought he not to be sulfating?
ought we not to be sulfating?
ought you not to be sulfating?
ought they not to be sulfating? 	ought I not to have sulfated?
ought you not to have sulfated?
ought he not to have sulfated?
ought we not to have sulfated?
ought you not to have sulfated?
ought they not to have sulfated? 	ought I not to have been sulfating?
ought you not to have been sulfating?
ought he not to have been sulfating?
ought we not to have been sulfating?
ought you not to have been sulfating?
ought they not to have been sulfating?