English verb conjugation MUST ROUST

Regular verb: roust - rousted - rousted

Affirmation

Simple form

I must roust
you must roust
he must roust
we must roust
you must roust
they must roust

V-ing form

I must be rousting
you must be rousting
he must be rousting
we must be rousting
you must be rousting
they must be rousting

Perfect

I must have rousted
you must have rousted
he must have rousted
we must have rousted
you must have rousted
they must have rousted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I roust?
must you roust?
must he roust?
must we roust?
must you roust?
must they roust?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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