English verb conjugation MUST FLEE

Irregular verb: flee - fled - fled

Affirmation

Simple form

I must flee
you must flee
he must flee
we must flee
you must flee
they must flee

V-ing form

I must be fleeing
you must be fleeing
he must be fleeing
we must be fleeing
you must be fleeing
they must be fleeing

Perfect

I must have fled
you must have fled
he must have fled
we must have fled
you must have fled
they must have fled

V-ing perfect

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

Negation

Simple form

I must not flee
you must not flee
he must not flee
we must not flee
you must not flee
they must not flee

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I flee?
must you flee?
must he flee?
must we flee?
must you flee?
must they flee?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top