English verb conjugation MUST PREHARDEN

Regular verb: preharden - prehardened - prehardened

Affirmation

Simple form

I must preharden
you must preharden
she must preharden
we must preharden
you must preharden
they must preharden

V-ing form

I must be prehardening
you must be prehardening
she must be prehardening
we must be prehardening
you must be prehardening
they must be prehardening

Perfect

I must have prehardened
you must have prehardened
she must have prehardened
we must have prehardened
you must have prehardened
they must have prehardened

V-ing perfect

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

Negation

Simple form

I must not preharden
you must not preharden
she must not preharden
we must not preharden
you must not preharden
they must not preharden

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I preharden?
must you preharden?
must she preharden?
must we preharden?
must you preharden?
must they preharden?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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