can down
Verbo regular: down - downed- downed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can down
you can down
she can down
we can down
you can down
they can down 	I can be downing
you can be downing
she can be downing
we can be downing
you can be downing
they can be downing	I can have downed
you can have downed
she can have downed
we can have downed
you can have downed
they can have downed	I can have been downing
you can have been downing
she can have been downing
we can have been downing
you can have been downing
they can have been downing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot down
you cannot down
she cannot down
we cannot down
you cannot down
they cannot down 	I cannot be downing
you cannot be downing
she cannot be downing
we cannot be downing
you cannot be downing
they cannot be downing	I cannot have downed
you cannot have downed
she cannot have downed
we cannot have downed
you cannot have downed
they cannot have downed	I cannot have been downing
you cannot have been downing
she cannot have been downing
we cannot have been downing
you cannot have been downing
they cannot have been downing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I down?
can you down?
can she down?
can we down?
can you down?
can they down? 	can I be downing?
can you be downing?
can she be downing?
can we be downing?
can you be downing?
can they be downing? 	can I have downed?
can you have downed?
can she have downed?
can we have downed?
can you have downed?
can they have downed? 	can I have been downing?
can you have been downing?
can she have been downing?
can we have been downing?
can you have been downing?
can they have been downing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not down?
can you not down?
can she not down?
can we not down?
can you not down?
can they not down? 	can I not be downing?
can you not be downing?
can she not be downing?
can we not be downing?
can you not be downing?
can they not be downing? 	can I not have downed?
can you not have downed?
can she not have downed?
can we not have downed?
can you not have downed?
can they not have downed? 	can I not have been downing?
can you not have been downing?
can she not have been downing?
can we not have been downing?
can you not have been downing?
can they not have been downing?