ought to sulfurize
Regular verb: sulfurize - sulfurized- sulfurized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to sulfurize
you ought to sulfurize
he ought to sulfurize
we ought to sulfurize
you ought to sulfurize
they ought to sulfurize 	I ought to be sulfurizing
you ought to be sulfurizing
he ought to be sulfurizing
we ought to be sulfurizing
you ought to be sulfurizing
they ought to be sulfurizing	I ought to have sulfurized
you ought to have sulfurized
he ought to have sulfurized
we ought to have sulfurized
you ought to have sulfurized
they ought to have sulfurized	I ought to have been sulfurizing
you ought to have been sulfurizing
he ought to have been sulfurizing
we ought to have been sulfurizing
you ought to have been sulfurizing
they ought to have been sulfurizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to sulfurize
you oughtn't to sulfurize
he oughtn't to sulfurize
we oughtn't to sulfurize
you oughtn't to sulfurize
they oughtn't to sulfurize 	I oughtn't to be sulfurizing
you oughtn't to be sulfurizing
he oughtn't to be sulfurizing
we oughtn't to be sulfurizing
you oughtn't to be sulfurizing
they oughtn't to be sulfurizing	I oughtn't to have sulfurized
you oughtn't to have sulfurized
he oughtn't to have sulfurized
we oughtn't to have sulfurized
you oughtn't to have sulfurized
they oughtn't to have sulfurized	I oughtn't to have been sulfurizing
you oughtn't to have been sulfurizing
he oughtn't to have been sulfurizing
we oughtn't to have been sulfurizing
you oughtn't to have been sulfurizing
they oughtn't to have been sulfurizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I sulfurize?
ought to you sulfurize?
ought to he sulfurize?
ought to we sulfurize?
ought to you sulfurize?
ought to they sulfurize? 	ought to I be sulfurizing?
ought to you be sulfurizing?
ought to he be sulfurizing?
ought to we be sulfurizing?
ought to you be sulfurizing?
ought to they be sulfurizing? 	ought to I have sulfurized?
ought to you have sulfurized?
ought to he have sulfurized?
ought to we have sulfurized?
ought to you have sulfurized?
ought to they have sulfurized? 	ought to I have been sulfurizing?
ought to you have been sulfurizing?
ought to he have been sulfurizing?
ought to we have been sulfurizing?
ought to you have been sulfurizing?
ought to they have been sulfurizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to sulfurize?
oughtn't you to sulfurize?
oughtn't he to sulfurize?
oughtn't we to sulfurize?
oughtn't you to sulfurize?
oughtn't they to sulfurize? 	oughtn't I to be sulfurizing?
oughtn't you to be sulfurizing?
oughtn't he to be sulfurizing?
oughtn't we to be sulfurizing?
oughtn't you to be sulfurizing?
oughtn't they to be sulfurizing? 	oughtn't I to have sulfurized?
oughtn't you to have sulfurized?
oughtn't he to have sulfurized?
oughtn't we to have sulfurized?
oughtn't you to have sulfurized?
oughtn't they to have sulfurized? 	oughtn't I to have been sulfurizing?
oughtn't you to have been sulfurizing?
oughtn't he to have been sulfurizing?
oughtn't we to have been sulfurizing?
oughtn't you to have been sulfurizing?
oughtn't they to have been sulfurizing?