English verb conjugation COULD DOWNGRADE

Regular verb: downgrade - downgraded - downgraded

Affirmation

Simple form

I could downgrade
you could downgrade
he could downgrade
we could downgrade
you could downgrade
they could downgrade

V-ing form

I could be downgrading
you could be downgrading
he could be downgrading
we could be downgrading
you could be downgrading
they could be downgrading

Perfect

I could have downgraded
you could have downgraded
he could have downgraded
we could have downgraded
you could have downgraded
they could have downgraded

V-ing perfect

I could have been downgrading
you could have been downgrading
he could have been downgrading
we could have been downgrading
you could have been downgrading
they could have been downgrading

Negation

Simple form

I couldn't downgrade
you couldn't downgrade
he couldn't downgrade
we couldn't downgrade
you couldn't downgrade
they couldn't downgrade

V-ing form

I couldn't be downgrading
you couldn't be downgrading
he couldn't be downgrading
we couldn't be downgrading
you couldn't be downgrading
they couldn't be downgrading

Perfect

I couldn't have downgraded
you couldn't have downgraded
he couldn't have downgraded
we couldn't have downgraded
you couldn't have downgraded
they couldn't have downgraded

V-ing perfect

I couldn't have been downgrading
you couldn't have been downgrading
he couldn't have been downgrading
we couldn't have been downgrading
you couldn't have been downgrading
they couldn't have been downgrading

Interrogative form

Simple form

could I downgrade?
could you downgrade?
could he downgrade?
could we downgrade?
could you downgrade?
could they downgrade?

V-ing form

could I be downgrading?
could you be downgrading?
could he be downgrading?
could we be downgrading?
could you be downgrading?
could they be downgrading?

Perfect

could I have downgraded?
could you have downgraded?
could he have downgraded?
could we have downgraded?
could you have downgraded?
could they have downgraded?

V-ing perfect

could I have been downgrading?
could you have been downgrading?
could he have been downgrading?
could we have been downgrading?
could you have been downgrading?
could they have been downgrading?

Interro-negative form

Simple form

couldn't I downgrade?
couldn't you downgrade?
couldn't he downgrade?
couldn't we downgrade?
couldn't you downgrade?
couldn't they downgrade?

V-ing form

couldn't I be downgrading?
couldn't you be downgrading?
couldn't he be downgrading?
couldn't we be downgrading?
couldn't you be downgrading?
couldn't they be downgrading?

Perfect

couldn't I have downgraded?
couldn't you have downgraded?
couldn't he have downgraded?
couldn't we have downgraded?
couldn't you have downgraded?
couldn't they have downgraded?

V-ing perfect

couldn't I have been downgrading?
couldn't you have been downgrading?
couldn't he have been downgrading?
couldn't we have been downgrading?
couldn't you have been downgrading?
couldn't they have been downgrading?

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