should sulfonate
Regular verb: sulfonate - sulfonated- sulfonated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd sulfonate
you'd sulfonate
she'd sulfonate
we'd sulfonate
you'd sulfonate
they'd sulfonate 	I'd be sulfonating
you'd be sulfonating
she'd be sulfonating
we'd be sulfonating
you'd be sulfonating
they'd be sulfonating	I should've sulfonated
you should've sulfonated
she should've sulfonated
we should've sulfonated
you should've sulfonated
they should've sulfonated	I should've been sulfonating
you should've been sulfonating
she should've been sulfonating
we should've been sulfonating
you should've been sulfonating
they should've been sulfonating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't sulfonate
you shouldn't sulfonate
she shouldn't sulfonate
we shouldn't sulfonate
you shouldn't sulfonate
they shouldn't sulfonate 	I shouldn't be sulfonating
you shouldn't be sulfonating
she shouldn't be sulfonating
we shouldn't be sulfonating
you shouldn't be sulfonating
they shouldn't be sulfonating	I shouldn't have sulfonated
you shouldn't have sulfonated
she shouldn't have sulfonated
we shouldn't have sulfonated
you shouldn't have sulfonated
they shouldn't have sulfonated	I shouldn't have been sulfonating
you shouldn't have been sulfonating
she shouldn't have been sulfonating
we shouldn't have been sulfonating
you shouldn't have been sulfonating
they shouldn't have been sulfonating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I sulfonate?
should you sulfonate?
should she sulfonate?
should we sulfonate?
should you sulfonate?
should they sulfonate? 	should I be sulfonating?
should you be sulfonating?
should she be sulfonating?
should we be sulfonating?
should you be sulfonating?
should they be sulfonating? 	should I have sulfonated?
should you have sulfonated?
should she have sulfonated?
should we have sulfonated?
should you have sulfonated?
should they have sulfonated? 	should I have been sulfonating?
should you have been sulfonating?
should she have been sulfonating?
should we have been sulfonating?
should you have been sulfonating?
should they have been sulfonating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I sulfonate?
shouldn't you sulfonate?
shouldn't she sulfonate?
shouldn't we sulfonate?
shouldn't you sulfonate?
shouldn't they sulfonate? 	shouldn't I be sulfonating?
shouldn't you be sulfonating?
shouldn't she be sulfonating?
shouldn't we be sulfonating?
shouldn't you be sulfonating?
shouldn't they be sulfonating? 	shouldn't I have sulfonated?
shouldn't you have sulfonated?
shouldn't she have sulfonated?
shouldn't we have sulfonated?
shouldn't you have sulfonated?
shouldn't they have sulfonated? 	shouldn't I have been sulfonating?
shouldn't you have been sulfonating?
shouldn't she have been sulfonating?
shouldn't we have been sulfonating?
shouldn't you have been sulfonating?
shouldn't they have been sulfonating?