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 mustn't liven
you mustn't liven
he mustn't liven
we mustn't liven
you mustn't liven
they mustn't liven

V-ing form

I mustn't be livening
you mustn't be livening
he mustn't be livening
we mustn't be livening
you mustn't be livening
they mustn't be livening

Perfect

I mustn't have livened
you mustn't have livened
he mustn't have livened
we mustn't have livened
you mustn't have livened
they mustn't have livened

V-ing perfect

I mustn't have been livening
you mustn't have been livening
he mustn't have been livening
we mustn't have been livening
you mustn't have been livening
they mustn't 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

mustn't I liven?
mustn't you liven?
mustn't he liven?
mustn't we liven?
mustn't you liven?
mustn't they liven?

V-ing form

mustn't I be livening?
mustn't you be livening?
mustn't he be livening?
mustn't we be livening?
mustn't you be livening?
mustn't they be livening?

Perfect

mustn't I have livened?
mustn't you have livened?
mustn't he have livened?
mustn't we have livened?
mustn't you have livened?
mustn't they have livened?

V-ing perfect

mustn't I have been livening?
mustn't you have been livening?
mustn't he have been livening?
mustn't we have been livening?
mustn't you have been livening?
mustn't they have been livening?

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