English verb conjugation MUST PREEN

Regular verb: preen - preened - preened

Affirmation

Simple form

I must preen
you must preen
he must preen
we must preen
you must preen
they must preen

V-ing form

I must be preening
you must be preening
he must be preening
we must be preening
you must be preening
they must be preening

Perfect

I must have preened
you must have preened
he must have preened
we must have preened
you must have preened
they must have preened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I preen?
must you preen?
must he preen?
must we preen?
must you preen?
must they preen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top