English verb conjugation MUST KNACKER

Regular verb: knacker - knackered - knackered

Affirmation

Simple form

I must knacker
you must knacker
he must knacker
we must knacker
you must knacker
they must knacker

V-ing form

I must be knackering
you must be knackering
he must be knackering
we must be knackering
you must be knackering
they must be knackering

Perfect

I must have knackered
you must have knackered
he must have knackered
we must have knackered
you must have knackered
they must have knackered

V-ing perfect

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

Negation

Simple form

I must not knacker
you must not knacker
he must not knacker
we must not knacker
you must not knacker
they must not knacker

V-ing form

I must not be knackering
you must not be knackering
he must not be knackering
we must not be knackering
you must not be knackering
they must not be knackering

Perfect

I must not have knackered
you must not have knackered
he must not have knackered
we must not have knackered
you must not have knackered
they must not have knackered

V-ing perfect

I must not have been knackering
you must not have been knackering
he must not have been knackering
we must not have been knackering
you must not have been knackering
they must not have been knackering

Interrogative form

Simple form

must I knacker?
must you knacker?
must he knacker?
must we knacker?
must you knacker?
must they knacker?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not knacker?
must you not knacker?
must he not knacker?
must we not knacker?
must you not knacker?
must they not knacker?

V-ing form

must I not be knackering?
must you not be knackering?
must he not be knackering?
must we not be knackering?
must you not be knackering?
must they not be knackering?

Perfect

must I not have knackered?
must you not have knackered?
must he not have knackered?
must we not have knackered?
must you not have knackered?
must they not have knackered?

V-ing perfect

must I not have been knackering?
must you not have been knackering?
must he not have been knackering?
must we not have been knackering?
must you not have been knackering?
must they not have been knackering?

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