English verb conjugation MUST WORSEN

Regular verb: worsen - worsened - worsened

Affirmation

Simple form

I must worsen
you must worsen
he must worsen
we must worsen
you must worsen
they must worsen

V-ing form

I must be worsening
you must be worsening
he must be worsening
we must be worsening
you must be worsening
they must be worsening

Perfect

I must have worsened
you must have worsened
he must have worsened
we must have worsened
you must have worsened
they must have worsened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I worsen?
must you worsen?
must he worsen?
must we worsen?
must you worsen?
must they worsen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top