must downscale
Verbo regular: downscale - downscaled- downscaled

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not downscale
you must not downscale
she must not downscale
we must not downscale
you must not downscale
they must not downscale 	I must not be downscaling
you must not be downscaling
she must not be downscaling
we must not be downscaling
you must not be downscaling
they must not be downscaling	I must not have downscaled
you must not have downscaled
she must not have downscaled
we must not have downscaled
you must not have downscaled
they must not have downscaled	I must not have been downscaling
you must not have been downscaling
she must not have been downscaling
we must not have been downscaling
you must not have been downscaling
they must not have been downscaling	

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

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not downscale?
must you not downscale?
must she not downscale?
must we not downscale?
must you not downscale?
must they not downscale? 	must I not be downscaling?
must you not be downscaling?
must she not be downscaling?
must we not be downscaling?
must you not be downscaling?
must they not be downscaling? 	must I not have downscaled?
must you not have downscaled?
must she not have downscaled?
must we not have downscaled?
must you not have downscaled?
must they not have downscaled? 	must I not have been downscaling?
must you not have been downscaling?
must she not have been downscaling?
must we not have been downscaling?
must you not have been downscaling?
must they not have been downscaling?