could down
Verbo regular: down - downed- downed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could down
you could down
she could down
we could down
you could down
they could down 	I could be downing
you could be downing
she could be downing
we could be downing
you could be downing
they could be downing	I could have downed
you could have downed
she could have downed
we could have downed
you could have downed
they could have downed	I could have been downing
you could have been downing
she could have been downing
we could have been downing
you could have been downing
they could have been downing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not down
you could not down
she could not down
we could not down
you could not down
they could not down 	I could not be downing
you could not be downing
she could not be downing
we could not be downing
you could not be downing
they could not be downing	I could not have downed
you could not have downed
she could not have downed
we could not have downed
you could not have downed
they could not have downed	I could not have been downing
you could not have been downing
she could not have been downing
we could not have been downing
you could not have been downing
they could not have been downing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I down?
could you down?
could she down?
could we down?
could you down?
could they down? 	could I be downing?
could you be downing?
could she be downing?
could we be downing?
could you be downing?
could they be downing? 	could I have downed?
could you have downed?
could she have downed?
could we have downed?
could you have downed?
could they have downed? 	could I have been downing?
could you have been downing?
could she have been downing?
could we have been downing?
could you have been downing?
could they have been downing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not down?
could you not down?
could she not down?
could we not down?
could you not down?
could they not down? 	could I not be downing?
could you not be downing?
could she not be downing?
could we not be downing?
could you not be downing?
could they not be downing? 	could I not have downed?
could you not have downed?
could she not have downed?
could we not have downed?
could you not have downed?
could they not have downed? 	could I not have been downing?
could you not have been downing?
could she not have been downing?
could we not have been downing?
could you not have been downing?
could they not have been downing?