Conjugação do verbo inglês
COULD DOWNGRADE

Verbo regular: downgrade - downgraded - downgraded

Afirmação

Forma simple	Forma com V-ing
I could downgrade you could downgrade she could downgrade we could downgrade you could downgrade they could downgrade	I could be downgrading you could be downgrading she could be downgrading we could be downgrading you could be downgrading they could be downgrading
Perfeito	Perfeito com V-ing
I could have downgraded you could have downgraded she could have downgraded we could have downgraded you could have downgraded they could have downgraded	I could have been downgrading you could have been downgrading she could have been downgrading we could have been downgrading you could have been downgrading they could have been downgrading

Negação

Forma simple	Forma com V-ing
I could not downgrade you could not downgrade she could not downgrade we could not downgrade you could not downgrade they could not downgrade	I could not be downgrading you could not be downgrading she could not be downgrading we could not be downgrading you could not be downgrading they could not be downgrading
Perfeito	Perfeito com V-ing
I could not have downgraded you could not have downgraded she could not have downgraded we could not have downgraded you could not have downgraded they could not have downgraded	I could not have been downgrading you could not have been downgrading she could not have been downgrading we could not have been downgrading you could not have been downgrading they could not have been downgrading

Forma interrogativa

Forma simple	Forma com V-ing
could I downgrade? could you downgrade? could she downgrade? could we downgrade? could you downgrade? could they downgrade?	could I be downgrading? could you be downgrading? could she be downgrading? could we be downgrading? could you be downgrading? could they be downgrading?
Perfeito	Perfeito com V-ing
could I have downgraded? could you have downgraded? could she have downgraded? could we have downgraded? could you have downgraded? could they have downgraded?	could I have been downgrading? could you have been downgrading? could she have been downgrading? could we have been downgrading? could you have been downgrading? could they have been downgrading?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not downgrade? could you not downgrade? could she not downgrade? could we not downgrade? could you not downgrade? could they not downgrade?	could I not be downgrading? could you not be downgrading? could she not be downgrading? could we not be downgrading? could you not be downgrading? could they not be downgrading?
Perfeito	Perfeito com V-ing
could I not have downgraded? could you not have downgraded? could she not have downgraded? could we not have downgraded? could you not have downgraded? could they not have downgraded?	could I not have been downgrading? could you not have been downgrading? could she not have been downgrading? could we not have been downgrading? could you not have been downgrading? could they not have been downgrading?