English verb conjugation MUST BEFALL

Irregular verb: befall - befell - befallen

Affirmation

Simple form

I must befall
you must befall
she must befall
we must befall
you must befall
they must befall

V-ing form

I must be befalling
you must be befalling
she must be befalling
we must be befalling
you must be befalling
they must be befalling

Perfect

I must have befallen
you must have befallen
she must have befallen
we must have befallen
you must have befallen
they must have befallen

V-ing perfect

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

Negation

Simple form

I must not befall
you must not befall
she must not befall
we must not befall
you must not befall
they must not befall

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I befall?
must you befall?
must she befall?
must we befall?
must you befall?
must they befall?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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