must sulfonate
Verbo regular: sulfonate - sulfonated- sulfonated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must sulfonate
you must sulfonate
he must sulfonate
we must sulfonate
you must sulfonate
they must sulfonate 	I must be sulfonating
you must be sulfonating
he must be sulfonating
we must be sulfonating
you must be sulfonating
they must be sulfonating	I must have sulfonated
you must have sulfonated
he must have sulfonated
we must have sulfonated
you must have sulfonated
they must have sulfonated	I must have been sulfonating
you must have been sulfonating
he must have been sulfonating
we must have been sulfonating
you must have been sulfonating
they must have been sulfonating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't sulfonate
you mustn't sulfonate
he mustn't sulfonate
we mustn't sulfonate
you mustn't sulfonate
they mustn't sulfonate 	I mustn't be sulfonating
you mustn't be sulfonating
he mustn't be sulfonating
we mustn't be sulfonating
you mustn't be sulfonating
they mustn't be sulfonating	I mustn't have sulfonated
you mustn't have sulfonated
he mustn't have sulfonated
we mustn't have sulfonated
you mustn't have sulfonated
they mustn't have sulfonated	I mustn't have been sulfonating
you mustn't have been sulfonating
he mustn't have been sulfonating
we mustn't have been sulfonating
you mustn't have been sulfonating
they mustn't have been sulfonating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I sulfonate?
must you sulfonate?
must he sulfonate?
must we sulfonate?
must you sulfonate?
must they sulfonate? 	must I be sulfonating?
must you be sulfonating?
must he be sulfonating?
must we be sulfonating?
must you be sulfonating?
must they be sulfonating? 	must I have sulfonated?
must you have sulfonated?
must he have sulfonated?
must we have sulfonated?
must you have sulfonated?
must they have sulfonated? 	must I have been sulfonating?
must you have been sulfonating?
must he have been sulfonating?
must we have been sulfonating?
must you have been sulfonating?
must they have been sulfonating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I sulfonate?
mustn't you sulfonate?
mustn't he sulfonate?
mustn't we sulfonate?
mustn't you sulfonate?
mustn't they sulfonate? 	mustn't I be sulfonating?
mustn't you be sulfonating?
mustn't he be sulfonating?
mustn't we be sulfonating?
mustn't you be sulfonating?
mustn't they be sulfonating? 	mustn't I have sulfonated?
mustn't you have sulfonated?
mustn't he have sulfonated?
mustn't we have sulfonated?
mustn't you have sulfonated?
mustn't they have sulfonated? 	mustn't I have been sulfonating?
mustn't you have been sulfonating?
mustn't he have been sulfonating?
mustn't we have been sulfonating?
mustn't you have been sulfonating?
mustn't they have been sulfonating?