English verb conjugation MUST KNOLL

Regular verb: knoll - knolled - knolled

Affirmation

Simple form

I must knoll
you must knoll
he must knoll
we must knoll
you must knoll
they must knoll

V-ing form

I must be knolling
you must be knolling
he must be knolling
we must be knolling
you must be knolling
they must be knolling

Perfect

I must have knolled
you must have knolled
he must have knolled
we must have knolled
you must have knolled
they must have knolled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I knoll?
must you knoll?
must he knoll?
must we knoll?
must you knoll?
must they knoll?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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