English verb conjugation COULD KEEL

Regular verb: keel - keeled - keeled

Affirmation

Simple form

I could keel
you could keel
she could keel
we could keel
you could keel
they could keel

V-ing form

I could be keeling
you could be keeling
she could be keeling
we could be keeling
you could be keeling
they could be keeling

Perfect

I could have keeled
you could have keeled
she could have keeled
we could have keeled
you could have keeled
they could have keeled

V-ing perfect

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

Negation

Simple form

I could not keel
you could not keel
she could not keel
we could not keel
you could not keel
they could not keel

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I keel?
could you keel?
could she keel?
could we keel?
could you keel?
could they keel?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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