English verb conjugation COULD DEVALUE

Regular verb: devalue - devalued - devalued

Affirmation

Simple form

I could devalue
you could devalue
he could devalue
we could devalue
you could devalue
they could devalue

V-ing form

I could be devaluing
you could be devaluing
he could be devaluing
we could be devaluing
you could be devaluing
they could be devaluing

Perfect

I could have devalued
you could have devalued
he could have devalued
we could have devalued
you could have devalued
they could have devalued

V-ing perfect

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

Negation

Simple form

I could not devalue
you could not devalue
he could not devalue
we could not devalue
you could not devalue
they could not devalue

V-ing form

I could not be devaluing
you could not be devaluing
he could not be devaluing
we could not be devaluing
you could not be devaluing
they could not be devaluing

Perfect

I could not have devalued
you could not have devalued
he could not have devalued
we could not have devalued
you could not have devalued
they could not have devalued

V-ing perfect

I could not have been devaluing
you could not have been devaluing
he could not have been devaluing
we could not have been devaluing
you could not have been devaluing
they could not have been devaluing

Interrogative form

Simple form

could I devalue?
could you devalue?
could he devalue?
could we devalue?
could you devalue?
could they devalue?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not devalue?
could you not devalue?
could he not devalue?
could we not devalue?
could you not devalue?
could they not devalue?

V-ing form

could I not be devaluing?
could you not be devaluing?
could he not be devaluing?
could we not be devaluing?
could you not be devaluing?
could they not be devaluing?

Perfect

could I not have devalued?
could you not have devalued?
could he not have devalued?
could we not have devalued?
could you not have devalued?
could they not have devalued?

V-ing perfect

could I not have been devaluing?
could you not have been devaluing?
could he not have been devaluing?
could we not have been devaluing?
could you not have been devaluing?
could they not have been devaluing?

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