English verb conjugation MUST SHUTTER

Regular verb: shutter - shuttered - shuttered

Affirmation

Simple form

I must shutter
you must shutter
he must shutter
we must shutter
you must shutter
they must shutter

V-ing form

I must be shuttering
you must be shuttering
he must be shuttering
we must be shuttering
you must be shuttering
they must be shuttering

Perfect

I must have shuttered
you must have shuttered
he must have shuttered
we must have shuttered
you must have shuttered
they must have shuttered

V-ing perfect

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

Negation

Simple form

I must not shutter
you must not shutter
he must not shutter
we must not shutter
you must not shutter
they must not shutter

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I shutter?
must you shutter?
must he shutter?
must we shutter?
must you shutter?
must they shutter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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