English verb conjugation COULD KEY

Regular verb: key - keyed - keyed

Affirmation

Simple form

I could key
you could key
he could key
we could key
you could key
they could key

V-ing form

I could be keying
you could be keying
he could be keying
we could be keying
you could be keying
they could be keying

Perfect

I could have keyed
you could have keyed
he could have keyed
we could have keyed
you could have keyed
they could have keyed

V-ing perfect

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

Negation

Simple form

I could not key
you could not key
he could not key
we could not key
you could not key
they could not key

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I key?
could you key?
could he key?
could we key?
could you key?
could they key?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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