English verb conjugation MUST PREVAIL

Regular verb: prevail - prevailed - prevailed

Affirmation

Simple form

I must prevail
you must prevail
he must prevail
we must prevail
you must prevail
they must prevail

V-ing form

I must be prevailing
you must be prevailing
he must be prevailing
we must be prevailing
you must be prevailing
they must be prevailing

Perfect

I must have prevailed
you must have prevailed
he must have prevailed
we must have prevailed
you must have prevailed
they must have prevailed

V-ing perfect

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

Negation

Simple form

I mustn't prevail
you mustn't prevail
he mustn't prevail
we mustn't prevail
you mustn't prevail
they mustn't prevail

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I prevail?
must you prevail?
must he prevail?
must we prevail?
must you prevail?
must they prevail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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