English verb conjugation MUST CRUST

Regular verb: crust - crusted - crusted

Affirmation

Simple form

I must crust
you must crust
she must crust
we must crust
you must crust
they must crust

V-ing form

I must be crusting
you must be crusting
she must be crusting
we must be crusting
you must be crusting
they must be crusting

Perfect

I must have crusted
you must have crusted
she must have crusted
we must have crusted
you must have crusted
they must have crusted

V-ing perfect

I must have been crusting
you must have been crusting
she must have been crusting
we must have been crusting
you must have been crusting
they must have been crusting

Negation

Simple form

I must not crust
you must not crust
she must not crust
we must not crust
you must not crust
they must not crust

V-ing form

I must not be crusting
you must not be crusting
she must not be crusting
we must not be crusting
you must not be crusting
they must not be crusting

Perfect

I must not have crusted
you must not have crusted
she must not have crusted
we must not have crusted
you must not have crusted
they must not have crusted

V-ing perfect

I must not have been crusting
you must not have been crusting
she must not have been crusting
we must not have been crusting
you must not have been crusting
they must not have been crusting

Interrogative form

Simple form

must I crust?
must you crust?
must she crust?
must we crust?
must you crust?
must they crust?

V-ing form

must I be crusting?
must you be crusting?
must she be crusting?
must we be crusting?
must you be crusting?
must they be crusting?

Perfect

must I have crusted?
must you have crusted?
must she have crusted?
must we have crusted?
must you have crusted?
must they have crusted?

V-ing perfect

must I have been crusting?
must you have been crusting?
must she have been crusting?
must we have been crusting?
must you have been crusting?
must they have been crusting?

Interro-negative form

Simple form

must I not crust?
must you not crust?
must she not crust?
must we not crust?
must you not crust?
must they not crust?

V-ing form

must I not be crusting?
must you not be crusting?
must she not be crusting?
must we not be crusting?
must you not be crusting?
must they not be crusting?

Perfect

must I not have crusted?
must you not have crusted?
must she not have crusted?
must we not have crusted?
must you not have crusted?
must they not have crusted?

V-ing perfect

must I not have been crusting?
must you not have been crusting?
must she not have been crusting?
must we not have been crusting?
must you not have been crusting?
must they not have been crusting?

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