English verb conjugation MUST MUSE

Regular verb: muse - mused - mused

Affirmation

Simple form

I must muse
you must muse
he must muse
we must muse
you must muse
they must muse

V-ing form

I must be musing
you must be musing
he must be musing
we must be musing
you must be musing
they must be musing

Perfect

I must have mused
you must have mused
he must have mused
we must have mused
you must have mused
they must have mused

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I muse?
must you muse?
must he muse?
must we muse?
must you muse?
must they muse?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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