must desulferize
Verbo regular: desulferize - desulferized- desulferized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must desulferize
you must desulferize
she must desulferize
we must desulferize
you must desulferize
they must desulferize 	I must be desulferizing
you must be desulferizing
she must be desulferizing
we must be desulferizing
you must be desulferizing
they must be desulferizing	I must have desulferized
you must have desulferized
she must have desulferized
we must have desulferized
you must have desulferized
they must have desulferized	I must have been desulferizing
you must have been desulferizing
she must have been desulferizing
we must have been desulferizing
you must have been desulferizing
they must have been desulferizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not desulferize
you must not desulferize
she must not desulferize
we must not desulferize
you must not desulferize
they must not desulferize 	I must not be desulferizing
you must not be desulferizing
she must not be desulferizing
we must not be desulferizing
you must not be desulferizing
they must not be desulferizing	I must not have desulferized
you must not have desulferized
she must not have desulferized
we must not have desulferized
you must not have desulferized
they must not have desulferized	I must not have been desulferizing
you must not have been desulferizing
she must not have been desulferizing
we must not have been desulferizing
you must not have been desulferizing
they must not have been desulferizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I desulferize?
must you desulferize?
must she desulferize?
must we desulferize?
must you desulferize?
must they desulferize? 	must I be desulferizing?
must you be desulferizing?
must she be desulferizing?
must we be desulferizing?
must you be desulferizing?
must they be desulferizing? 	must I have desulferized?
must you have desulferized?
must she have desulferized?
must we have desulferized?
must you have desulferized?
must they have desulferized? 	must I have been desulferizing?
must you have been desulferizing?
must she have been desulferizing?
must we have been desulferizing?
must you have been desulferizing?
must they have been desulferizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not desulferize?
must you not desulferize?
must she not desulferize?
must we not desulferize?
must you not desulferize?
must they not desulferize? 	must I not be desulferizing?
must you not be desulferizing?
must she not be desulferizing?
must we not be desulferizing?
must you not be desulferizing?
must they not be desulferizing? 	must I not have desulferized?
must you not have desulferized?
must she not have desulferized?
must we not have desulferized?
must you not have desulferized?
must they not have desulferized? 	must I not have been desulferizing?
must you not have been desulferizing?
must she not have been desulferizing?
must we not have been desulferizing?
must you not have been desulferizing?
must they not have been desulferizing?