English verb conjugation MUST CAPTAIN

Regular verb: captain - captained - captained

Affirmation

Simple form

I must captain
you must captain
he must captain
we must captain
you must captain
they must captain

V-ing form

I must be captaining
you must be captaining
he must be captaining
we must be captaining
you must be captaining
they must be captaining

Perfect

I must have captained
you must have captained
he must have captained
we must have captained
you must have captained
they must have captained

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I captain?
must you captain?
must he captain?
must we captain?
must you captain?
must they captain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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