English verb conjugation COULD DEVOLVE

Regular verb: devolve - devolved - devolved

Affirmation

Simple form

I could devolve
you could devolve
she could devolve
we could devolve
you could devolve
they could devolve

V-ing form

I could be devolving
you could be devolving
she could be devolving
we could be devolving
you could be devolving
they could be devolving

Perfect

I could have devolved
you could have devolved
she could have devolved
we could have devolved
you could have devolved
they could have devolved

V-ing perfect

I could have been devolving
you could have been devolving
she could have been devolving
we could have been devolving
you could have been devolving
they could have been devolving

Negation

Simple form

I could not devolve
you could not devolve
she could not devolve
we could not devolve
you could not devolve
they could not devolve

V-ing form

I could not be devolving
you could not be devolving
she could not be devolving
we could not be devolving
you could not be devolving
they could not be devolving

Perfect

I could not have devolved
you could not have devolved
she could not have devolved
we could not have devolved
you could not have devolved
they could not have devolved

V-ing perfect

I could not have been devolving
you could not have been devolving
she could not have been devolving
we could not have been devolving
you could not have been devolving
they could not have been devolving

Interrogative form

Simple form

could I devolve?
could you devolve?
could she devolve?
could we devolve?
could you devolve?
could they devolve?

V-ing form

could I be devolving?
could you be devolving?
could she be devolving?
could we be devolving?
could you be devolving?
could they be devolving?

Perfect

could I have devolved?
could you have devolved?
could she have devolved?
could we have devolved?
could you have devolved?
could they have devolved?

V-ing perfect

could I have been devolving?
could you have been devolving?
could she have been devolving?
could we have been devolving?
could you have been devolving?
could they have been devolving?

Interro-negative form

Simple form

could I not devolve?
could you not devolve?
could she not devolve?
could we not devolve?
could you not devolve?
could they not devolve?

V-ing form

could I not be devolving?
could you not be devolving?
could she not be devolving?
could we not be devolving?
could you not be devolving?
could they not be devolving?

Perfect

could I not have devolved?
could you not have devolved?
could she not have devolved?
could we not have devolved?
could you not have devolved?
could they not have devolved?

V-ing perfect

could I not have been devolving?
could you not have been devolving?
could she not have been devolving?
could we not have been devolving?
could you not have been devolving?
could they not have been devolving?

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