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 couldn't key
you couldn't key
he 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
he 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
he 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
he 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 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

couldn't I key?
couldn't you key?
couldn't he 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 he 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 he 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 he 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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