English verb conjugation MUST RUST

Regular verb: rust - rusted - rusted

Affirmation

Simple form

I must rust
you must rust
she must rust
we must rust
you must rust
they must rust

V-ing form

I must be rusting
you must be rusting
she must be rusting
we must be rusting
you must be rusting
they must be rusting

Perfect

I must have rusted
you must have rusted
she must have rusted
we must have rusted
you must have rusted
they must have rusted

V-ing perfect

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

Negation

Simple form

I must not rust
you must not rust
she must not rust
we must not rust
you must not rust
they must not rust

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I rust?
must you rust?
must she rust?
must we rust?
must you rust?
must they rust?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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