English verb conjugation COULD DEVOICE

Regular verb: devoice - devoiced - devoiced

Affirmation

Simple form

I could devoice
you could devoice
he could devoice
we could devoice
you could devoice
they could devoice

V-ing form

I could be devoicing
you could be devoicing
he could be devoicing
we could be devoicing
you could be devoicing
they could be devoicing

Perfect

I could have devoiced
you could have devoiced
he could have devoiced
we could have devoiced
you could have devoiced
they could have devoiced

V-ing perfect

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

Negation

Simple form

I could not devoice
you could not devoice
he could not devoice
we could not devoice
you could not devoice
they could not devoice

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I devoice?
could you devoice?
could he devoice?
could we devoice?
could you devoice?
could they devoice?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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