should sulfate
Regular verb: sulfate - sulfated- sulfated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd sulfate
you'd sulfate
he'd sulfate
we'd sulfate
you'd sulfate
they'd sulfate 	I'd be sulfating
you'd be sulfating
he'd be sulfating
we'd be sulfating
you'd be sulfating
they'd be sulfating	I should've sulfated
you should've sulfated
he should've sulfated
we should've sulfated
you should've sulfated
they should've sulfated	I should've been sulfating
you should've been sulfating
he should've been sulfating
we should've been sulfating
you should've been sulfating
they should've been sulfating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't sulfate
you shouldn't sulfate
he shouldn't sulfate
we shouldn't sulfate
you shouldn't sulfate
they shouldn't sulfate 	I shouldn't be sulfating
you shouldn't be sulfating
he shouldn't be sulfating
we shouldn't be sulfating
you shouldn't be sulfating
they shouldn't be sulfating	I shouldn't have sulfated
you shouldn't have sulfated
he shouldn't have sulfated
we shouldn't have sulfated
you shouldn't have sulfated
they shouldn't have sulfated	I shouldn't have been sulfating
you shouldn't have been sulfating
he shouldn't have been sulfating
we shouldn't have been sulfating
you shouldn't have been sulfating
they shouldn't have been sulfating	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I sulfate?
shouldn't you sulfate?
shouldn't he sulfate?
shouldn't we sulfate?
shouldn't you sulfate?
shouldn't they sulfate? 	shouldn't I be sulfating?
shouldn't you be sulfating?
shouldn't he be sulfating?
shouldn't we be sulfating?
shouldn't you be sulfating?
shouldn't they be sulfating? 	shouldn't I have sulfated?
shouldn't you have sulfated?
shouldn't he have sulfated?
shouldn't we have sulfated?
shouldn't you have sulfated?
shouldn't they have sulfated? 	shouldn't I have been sulfating?
shouldn't you have been sulfating?
shouldn't he have been sulfating?
shouldn't we have been sulfating?
shouldn't you have been sulfating?
shouldn't they have been sulfating?