must gutturalize
Verbo regular: gutturalize - gutturalized- gutturalized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must gutturalize
you must gutturalize
he must gutturalize
we must gutturalize
you must gutturalize
they must gutturalize 	I must be gutturalizing
you must be gutturalizing
he must be gutturalizing
we must be gutturalizing
you must be gutturalizing
they must be gutturalizing	I must have gutturalized
you must have gutturalized
he must have gutturalized
we must have gutturalized
you must have gutturalized
they must have gutturalized	I must have been gutturalizing
you must have been gutturalizing
he must have been gutturalizing
we must have been gutturalizing
you must have been gutturalizing
they must have been gutturalizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not gutturalize
you must not gutturalize
he must not gutturalize
we must not gutturalize
you must not gutturalize
they must not gutturalize 	I must not be gutturalizing
you must not be gutturalizing
he must not be gutturalizing
we must not be gutturalizing
you must not be gutturalizing
they must not be gutturalizing	I must not have gutturalized
you must not have gutturalized
he must not have gutturalized
we must not have gutturalized
you must not have gutturalized
they must not have gutturalized	I must not have been gutturalizing
you must not have been gutturalizing
he must not have been gutturalizing
we must not have been gutturalizing
you must not have been gutturalizing
they must not have been gutturalizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I gutturalize?
must you gutturalize?
must he gutturalize?
must we gutturalize?
must you gutturalize?
must they gutturalize? 	must I be gutturalizing?
must you be gutturalizing?
must he be gutturalizing?
must we be gutturalizing?
must you be gutturalizing?
must they be gutturalizing? 	must I have gutturalized?
must you have gutturalized?
must he have gutturalized?
must we have gutturalized?
must you have gutturalized?
must they have gutturalized? 	must I have been gutturalizing?
must you have been gutturalizing?
must he have been gutturalizing?
must we have been gutturalizing?
must you have been gutturalizing?
must they have been gutturalizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not gutturalize?
must you not gutturalize?
must he not gutturalize?
must we not gutturalize?
must you not gutturalize?
must they not gutturalize? 	must I not be gutturalizing?
must you not be gutturalizing?
must he not be gutturalizing?
must we not be gutturalizing?
must you not be gutturalizing?
must they not be gutturalizing? 	must I not have gutturalized?
must you not have gutturalized?
must he not have gutturalized?
must we not have gutturalized?
must you not have gutturalized?
must they not have gutturalized? 	must I not have been gutturalizing?
must you not have been gutturalizing?
must he not have been gutturalizing?
must we not have been gutturalizing?
must you not have been gutturalizing?
must they not have been gutturalizing?