English verb conjugation MUST TREPHINE

Regular verb: trephine - trephined - trephined

Affirmation

Simple form

I must trephine
you must trephine
she must trephine
we must trephine
you must trephine
they must trephine

V-ing form

I must be trephining
you must be trephining
she must be trephining
we must be trephining
you must be trephining
they must be trephining

Perfect

I must have trephined
you must have trephined
she must have trephined
we must have trephined
you must have trephined
they must have trephined

V-ing perfect

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

Negation

Simple form

I must not trephine
you must not trephine
she must not trephine
we must not trephine
you must not trephine
they must not trephine

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I trephine?
must you trephine?
must she trephine?
must we trephine?
must you trephine?
must they trephine?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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