English verb conjugation MUST LABOR

Regular verb: labor - labored - labored

Affirmation

Simple form

I must labor
you must labor
he must labor
we must labor
you must labor
they must labor

V-ing form

I must be laboring
you must be laboring
he must be laboring
we must be laboring
you must be laboring
they must be laboring

Perfect

I must have labored
you must have labored
he must have labored
we must have labored
you must have labored
they must have labored

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I labor?
must you labor?
must he labor?
must we labor?
must you labor?
must they labor?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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