could verbalize
Verbo regular: verbalize - verbalized- verbalized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could verbalize
you could verbalize
he could verbalize
we could verbalize
you could verbalize
they could verbalize 	I could be verbalizing
you could be verbalizing
he could be verbalizing
we could be verbalizing
you could be verbalizing
they could be verbalizing	I could have verbalized
you could have verbalized
he could have verbalized
we could have verbalized
you could have verbalized
they could have verbalized	I could have been verbalizing
you could have been verbalizing
he could have been verbalizing
we could have been verbalizing
you could have been verbalizing
they could have been verbalizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not verbalize
you could not verbalize
he could not verbalize
we could not verbalize
you could not verbalize
they could not verbalize 	I could not be verbalizing
you could not be verbalizing
he could not be verbalizing
we could not be verbalizing
you could not be verbalizing
they could not be verbalizing	I could not have verbalized
you could not have verbalized
he could not have verbalized
we could not have verbalized
you could not have verbalized
they could not have verbalized	I could not have been verbalizing
you could not have been verbalizing
he could not have been verbalizing
we could not have been verbalizing
you could not have been verbalizing
they could not have been verbalizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I verbalize?
could you verbalize?
could he verbalize?
could we verbalize?
could you verbalize?
could they verbalize? 	could I be verbalizing?
could you be verbalizing?
could he be verbalizing?
could we be verbalizing?
could you be verbalizing?
could they be verbalizing? 	could I have verbalized?
could you have verbalized?
could he have verbalized?
could we have verbalized?
could you have verbalized?
could they have verbalized? 	could I have been verbalizing?
could you have been verbalizing?
could he have been verbalizing?
could we have been verbalizing?
could you have been verbalizing?
could they have been verbalizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not verbalize?
could you not verbalize?
could he not verbalize?
could we not verbalize?
could you not verbalize?
could they not verbalize? 	could I not be verbalizing?
could you not be verbalizing?
could he not be verbalizing?
could we not be verbalizing?
could you not be verbalizing?
could they not be verbalizing? 	could I not have verbalized?
could you not have verbalized?
could he not have verbalized?
could we not have verbalized?
could you not have verbalized?
could they not have verbalized? 	could I not have been verbalizing?
could you not have been verbalizing?
could he not have been verbalizing?
could we not have been verbalizing?
could you not have been verbalizing?
could they not have been verbalizing?