English verb conjugation MUST CAUCUS

Regular verb: caucus - caucused - caucused

Affirmation

Simple form

I must caucus
you must caucus
he must caucus
we must caucus
you must caucus
they must caucus

V-ing form

I must be caucusing
you must be caucusing
he must be caucusing
we must be caucusing
you must be caucusing
they must be caucusing

Perfect

I must have caucused
you must have caucused
he must have caucused
we must have caucused
you must have caucused
they must have caucused

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I caucus?
must you caucus?
must he caucus?
must we caucus?
must you caucus?
must they caucus?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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