English verb conjugation COULD KEY

Regular verb: key - keyed - keyed

Affirmation

Simple form

I could key
you could key
she could key
we could key
you could key
they could key

V-ing form

I could be keying
you could be keying
she could be keying
we could be keying
you could be keying
they could be keying

Perfect

I could have keyed
you could have keyed
she 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
she could have been keying
we could have been keying
you could have been keying
they could have been keying

Negation

Simple form

I couldn't key
you couldn't key
she couldn't key
we couldn't key
you couldn't key
they couldn't key

V-ing form

I couldn't be keying
you couldn't be keying
she couldn't be keying
we couldn't be keying
you couldn't be keying
they couldn't be keying

Perfect

I couldn't have keyed
you couldn't have keyed
she couldn't have keyed
we couldn't have keyed
you couldn't have keyed
they couldn't have keyed

V-ing perfect

I couldn't have been keying
you couldn't have been keying
she couldn't have been keying
we couldn't have been keying
you couldn't have been keying
they couldn't have been keying

Interrogative form

Simple form

could I key?
could you key?
could she key?
could we key?
could you key?
could they key?

V-ing form

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

Perfect

could I have keyed?
could you have keyed?
could she 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 she have been keying?
could we have been keying?
could you have been keying?
could they have been keying?

Interro-negative form

Simple form

couldn't I key?
couldn't you key?
couldn't she key?
couldn't we key?
couldn't you key?
couldn't they key?

V-ing form

couldn't I be keying?
couldn't you be keying?
couldn't she be keying?
couldn't we be keying?
couldn't you be keying?
couldn't they be keying?

Perfect

couldn't I have keyed?
couldn't you have keyed?
couldn't she have keyed?
couldn't we have keyed?
couldn't you have keyed?
couldn't they have keyed?

V-ing perfect

couldn't I have been keying?
couldn't you have been keying?
couldn't she have been keying?
couldn't we have been keying?
couldn't you have been keying?
couldn't they have been keying?

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