English verb conjugation COULD KEEL

Regular verb: keel - keeled - keeled

Affirmation

Simple form

I could keel
you could keel
he could keel
we could keel
you could keel
they could keel

V-ing form

I could be keeling
you could be keeling
he could be keeling
we could be keeling
you could be keeling
they could be keeling

Perfect

I could have keeled
you could have keeled
he 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
he could have been keeling
we could have been keeling
you could have been keeling
they could have been keeling

Negation

Simple form

I couldn't keel
you couldn't keel
he couldn't keel
we couldn't keel
you couldn't keel
they couldn't keel

V-ing form

I couldn't be keeling
you couldn't be keeling
he couldn't be keeling
we couldn't be keeling
you couldn't be keeling
they couldn't be keeling

Perfect

I couldn't have keeled
you couldn't have keeled
he couldn't have keeled
we couldn't have keeled
you couldn't have keeled
they couldn't have keeled

V-ing perfect

I couldn't have been keeling
you couldn't have been keeling
he couldn't have been keeling
we couldn't have been keeling
you couldn't have been keeling
they couldn't have been keeling

Interrogative form

Simple form

could I keel?
could you keel?
could he keel?
could we keel?
could you keel?
could they keel?

V-ing form

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

Perfect

could I have keeled?
could you have keeled?
could he 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 he have been keeling?
could we have been keeling?
could you have been keeling?
could they have been keeling?

Interro-negative form

Simple form

couldn't I keel?
couldn't you keel?
couldn't he keel?
couldn't we keel?
couldn't you keel?
couldn't they keel?

V-ing form

couldn't I be keeling?
couldn't you be keeling?
couldn't he be keeling?
couldn't we be keeling?
couldn't you be keeling?
couldn't they be keeling?

Perfect

couldn't I have keeled?
couldn't you have keeled?
couldn't he have keeled?
couldn't we have keeled?
couldn't you have keeled?
couldn't they have keeled?

V-ing perfect

couldn't I have been keeling?
couldn't you have been keeling?
couldn't he have been keeling?
couldn't we have been keeling?
couldn't you have been keeling?
couldn't they have been keeling?

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