English verb conjugation MUST ROOST

Regular verb: roost - roosted - roosted

Affirmation

Simple form

I must roost
you must roost
she must roost
we must roost
you must roost
they must roost

V-ing form

I must be roosting
you must be roosting
she must be roosting
we must be roosting
you must be roosting
they must be roosting

Perfect

I must have roosted
you must have roosted
she must have roosted
we must have roosted
you must have roosted
they must have roosted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I roost?
must you roost?
must she roost?
must we roost?
must you roost?
must they roost?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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