could downscale
Verbo regular: downscale - downscaled- downscaled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could downscale
you could downscale
he could downscale
we could downscale
you could downscale
they could downscale 	I could be downscaling
you could be downscaling
he could be downscaling
we could be downscaling
you could be downscaling
they could be downscaling	I could have downscaled
you could have downscaled
he could have downscaled
we could have downscaled
you could have downscaled
they could have downscaled	I could have been downscaling
you could have been downscaling
he could have been downscaling
we could have been downscaling
you could have been downscaling
they could have been downscaling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't downscale
you couldn't downscale
he couldn't downscale
we couldn't downscale
you couldn't downscale
they couldn't downscale 	I couldn't be downscaling
you couldn't be downscaling
he couldn't be downscaling
we couldn't be downscaling
you couldn't be downscaling
they couldn't be downscaling	I couldn't have downscaled
you couldn't have downscaled
he couldn't have downscaled
we couldn't have downscaled
you couldn't have downscaled
they couldn't have downscaled	I couldn't have been downscaling
you couldn't have been downscaling
he couldn't have been downscaling
we couldn't have been downscaling
you couldn't have been downscaling
they couldn't have been downscaling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I downscale?
could you downscale?
could he downscale?
could we downscale?
could you downscale?
could they downscale? 	could I be downscaling?
could you be downscaling?
could he be downscaling?
could we be downscaling?
could you be downscaling?
could they be downscaling? 	could I have downscaled?
could you have downscaled?
could he have downscaled?
could we have downscaled?
could you have downscaled?
could they have downscaled? 	could I have been downscaling?
could you have been downscaling?
could he have been downscaling?
could we have been downscaling?
could you have been downscaling?
could they have been downscaling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I downscale?
couldn't you downscale?
couldn't he downscale?
couldn't we downscale?
couldn't you downscale?
couldn't they downscale? 	couldn't I be downscaling?
couldn't you be downscaling?
couldn't he be downscaling?
couldn't we be downscaling?
couldn't you be downscaling?
couldn't they be downscaling? 	couldn't I have downscaled?
couldn't you have downscaled?
couldn't he have downscaled?
couldn't we have downscaled?
couldn't you have downscaled?
couldn't they have downscaled? 	couldn't I have been downscaling?
couldn't you have been downscaling?
couldn't he have been downscaling?
couldn't we have been downscaling?
couldn't you have been downscaling?
couldn't they have been downscaling?