English verb conjugation MUST KEEL

Regular verb: keel - keeled - keeled

Affirmation

Simple form

I must keel
you must keel
he must keel
we must keel
you must keel
they must keel

V-ing form

I must be keeling
you must be keeling
he must be keeling
we must be keeling
you must be keeling
they must be keeling

Perfect

I must have keeled
you must have keeled
he must have keeled
we must have keeled
you must have keeled
they must have keeled

V-ing perfect

I must have been keeling
you must have been keeling
he must have been keeling
we must have been keeling
you must have been keeling
they must have been keeling

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I keel?
must you keel?
must he keel?
must we keel?
must you keel?
must they keel?

V-ing form

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

Perfect

must I have keeled?
must you have keeled?
must he have keeled?
must we have keeled?
must you have keeled?
must they have keeled?

V-ing perfect

must I have been keeling?
must you have been keeling?
must he have been keeling?
must we have been keeling?
must you have been keeling?
must they have been keeling?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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