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 couldn't verbalize
you couldn't verbalize
he couldn't verbalize
we couldn't verbalize
you couldn't verbalize
they couldn't verbalize 	I couldn't be verbalizing
you couldn't be verbalizing
he couldn't be verbalizing
we couldn't be verbalizing
you couldn't be verbalizing
they couldn't be verbalizing	I couldn't have verbalized
you couldn't have verbalized
he couldn't have verbalized
we couldn't have verbalized
you couldn't have verbalized
they couldn't have verbalized	I couldn't have been verbalizing
you couldn't have been verbalizing
he couldn't have been verbalizing
we couldn't have been verbalizing
you couldn't have been verbalizing
they couldn't 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 	
couldn't I verbalize?
couldn't you verbalize?
couldn't he verbalize?
couldn't we verbalize?
couldn't you verbalize?
couldn't they verbalize? 	couldn't I be verbalizing?
couldn't you be verbalizing?
couldn't he be verbalizing?
couldn't we be verbalizing?
couldn't you be verbalizing?
couldn't they be verbalizing? 	couldn't I have verbalized?
couldn't you have verbalized?
couldn't he have verbalized?
couldn't we have verbalized?
couldn't you have verbalized?
couldn't they have verbalized? 	couldn't I have been verbalizing?
couldn't you have been verbalizing?
couldn't he have been verbalizing?
couldn't we have been verbalizing?
couldn't you have been verbalizing?
couldn't they have been verbalizing?