must downgrade
Verbo regular: downgrade - downgraded- downgraded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must downgrade
you must downgrade
he must downgrade
we must downgrade
you must downgrade
they must downgrade 	I must be downgrading
you must be downgrading
he must be downgrading
we must be downgrading
you must be downgrading
they must be downgrading	I must have downgraded
you must have downgraded
he must have downgraded
we must have downgraded
you must have downgraded
they must have downgraded	I must have been downgrading
you must have been downgrading
he must have been downgrading
we must have been downgrading
you must have been downgrading
they must have been downgrading	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not downgrade
you must not downgrade
he must not downgrade
we must not downgrade
you must not downgrade
they must not downgrade 	I must not be downgrading
you must not be downgrading
he must not be downgrading
we must not be downgrading
you must not be downgrading
they must not be downgrading	I must not have downgraded
you must not have downgraded
he must not have downgraded
we must not have downgraded
you must not have downgraded
they must not have downgraded	I must not have been downgrading
you must not have been downgrading
he must not have been downgrading
we must not have been downgrading
you must not have been downgrading
they must not have been downgrading	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I downgrade?
must you downgrade?
must he downgrade?
must we downgrade?
must you downgrade?
must they downgrade? 	must I be downgrading?
must you be downgrading?
must he be downgrading?
must we be downgrading?
must you be downgrading?
must they be downgrading? 	must I have downgraded?
must you have downgraded?
must he have downgraded?
must we have downgraded?
must you have downgraded?
must they have downgraded? 	must I have been downgrading?
must you have been downgrading?
must he have been downgrading?
must we have been downgrading?
must you have been downgrading?
must they have been downgrading? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not downgrade?
must you not downgrade?
must he not downgrade?
must we not downgrade?
must you not downgrade?
must they not downgrade? 	must I not be downgrading?
must you not be downgrading?
must he not be downgrading?
must we not be downgrading?
must you not be downgrading?
must they not be downgrading? 	must I not have downgraded?
must you not have downgraded?
must he not have downgraded?
must we not have downgraded?
must you not have downgraded?
must they not have downgraded? 	must I not have been downgrading?
must you not have been downgrading?
must he not have been downgrading?
must we not have been downgrading?
must you not have been downgrading?
must they not have been downgrading?