English verb conjugation MUST BEFOUL

Regular verb: befoul - befouled - befouled

Affirmation

Simple form

I must befoul
you must befoul
he must befoul
we must befoul
you must befoul
they must befoul

V-ing form

I must be befouling
you must be befouling
he must be befouling
we must be befouling
you must be befouling
they must be befouling

Perfect

I must have befouled
you must have befouled
he must have befouled
we must have befouled
you must have befouled
they must have befouled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I befoul?
must you befoul?
must he befoul?
must we befoul?
must you befoul?
must they befoul?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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