English verb conjugation MUST ROISTER

Regular verb: roister - roistered - roistered

Affirmation

Simple form

I must roister
you must roister
she must roister
we must roister
you must roister
they must roister

V-ing form

I must be roistering
you must be roistering
she must be roistering
we must be roistering
you must be roistering
they must be roistering

Perfect

I must have roistered
you must have roistered
she must have roistered
we must have roistered
you must have roistered
they must have roistered

V-ing perfect

I must have been roistering
you must have been roistering
she must have been roistering
we must have been roistering
you must have been roistering
they must have been roistering

Negation

Simple form

I mustn't roister
you mustn't roister
she mustn't roister
we mustn't roister
you mustn't roister
they mustn't roister

V-ing form

I mustn't be roistering
you mustn't be roistering
she mustn't be roistering
we mustn't be roistering
you mustn't be roistering
they mustn't be roistering

Perfect

I mustn't have roistered
you mustn't have roistered
she mustn't have roistered
we mustn't have roistered
you mustn't have roistered
they mustn't have roistered

V-ing perfect

I mustn't have been roistering
you mustn't have been roistering
she mustn't have been roistering
we mustn't have been roistering
you mustn't have been roistering
they mustn't have been roistering

Interrogative form

Simple form

must I roister?
must you roister?
must she roister?
must we roister?
must you roister?
must they roister?

V-ing form

must I be roistering?
must you be roistering?
must she be roistering?
must we be roistering?
must you be roistering?
must they be roistering?

Perfect

must I have roistered?
must you have roistered?
must she have roistered?
must we have roistered?
must you have roistered?
must they have roistered?

V-ing perfect

must I have been roistering?
must you have been roistering?
must she have been roistering?
must we have been roistering?
must you have been roistering?
must they have been roistering?

Interro-negative form

Simple form

mustn't I roister?
mustn't you roister?
mustn't she roister?
mustn't we roister?
mustn't you roister?
mustn't they roister?

V-ing form

mustn't I be roistering?
mustn't you be roistering?
mustn't she be roistering?
mustn't we be roistering?
mustn't you be roistering?
mustn't they be roistering?

Perfect

mustn't I have roistered?
mustn't you have roistered?
mustn't she have roistered?
mustn't we have roistered?
mustn't you have roistered?
mustn't they have roistered?

V-ing perfect

mustn't I have been roistering?
mustn't you have been roistering?
mustn't she have been roistering?
mustn't we have been roistering?
mustn't you have been roistering?
mustn't they have been roistering?

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