English verb conjugation MUST FALL

Irregular verb: fall - fell - fallen

Affirmation

Simple form

I must fall
you must fall
she must fall
we must fall
you must fall
they must fall

V-ing form

I must be falling
you must be falling
she must be falling
we must be falling
you must be falling
they must be falling

Perfect

I must have fallen
you must have fallen
she must have fallen
we must have fallen
you must have fallen
they must have fallen

V-ing perfect

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

Negation

Simple form

I must not fall
you must not fall
she must not fall
we must not fall
you must not fall
they must not fall

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I fall?
must you fall?
must she fall?
must we fall?
must you fall?
must they fall?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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