English verb conjugation MUST LIVEN

Regular verb: liven - livened - livened

Affirmation

Simple form

I must liven
you must liven
he must liven
we must liven
you must liven
they must liven

V-ing form

I must be livening
you must be livening
he must be livening
we must be livening
you must be livening
they must be livening

Perfect

I must have livened
you must have livened
he must have livened
we must have livened
you must have livened
they must have livened

V-ing perfect

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

Negation

Simple form

I must not liven
you must not liven
he must not liven
we must not liven
you must not liven
they must not liven

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I liven?
must you liven?
must he liven?
must we liven?
must you liven?
must they liven?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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