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 must not worsen
you must not worsen
he must not worsen
we must not worsen
you must not worsen
they must not worsen

V-ing form

I must not be worsening
you must not be worsening
he must not be worsening
we must not be worsening
you must not be worsening
they must not be worsening

Perfect

I must not have worsened
you must not have worsened
he must not have worsened
we must not have worsened
you must not have worsened
they must not have worsened

V-ing perfect

I must not have been worsening
you must not have been worsening
he must not have been worsening
we must not have been worsening
you must not have been worsening
they must not 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

must I not worsen?
must you not worsen?
must he not worsen?
must we not worsen?
must you not worsen?
must they not worsen?

V-ing form

must I not be worsening?
must you not be worsening?
must he not be worsening?
must we not be worsening?
must you not be worsening?
must they not be worsening?

Perfect

must I not have worsened?
must you not have worsened?
must he not have worsened?
must we not have worsened?
must you not have worsened?
must they not have worsened?

V-ing perfect

must I not have been worsening?
must you not have been worsening?
must he not have been worsening?
must we not have been worsening?
must you not have been worsening?
must they not have been worsening?

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