English verb conjugation COULD WORSEN

Regular verb: worsen - worsened - worsened

Affirmation

Simple form

I could worsen
you could worsen
she could worsen
we could worsen
you could worsen
they could worsen

V-ing form

I could be worsening
you could be worsening
she could be worsening
we could be worsening
you could be worsening
they could be worsening

Perfect

I could have worsened
you could have worsened
she could have worsened
we could have worsened
you could have worsened
they could have worsened

V-ing perfect

I could have been worsening
you could have been worsening
she could have been worsening
we could have been worsening
you could have been worsening
they could have been worsening

Negation

Simple form

I could not worsen
you could not worsen
she could not worsen
we could not worsen
you could not worsen
they could not worsen

V-ing form

I could not be worsening
you could not be worsening
she could not be worsening
we could not be worsening
you could not be worsening
they could not be worsening

Perfect

I could not have worsened
you could not have worsened
she could not have worsened
we could not have worsened
you could not have worsened
they could not have worsened

V-ing perfect

I could not have been worsening
you could not have been worsening
she could not have been worsening
we could not have been worsening
you could not have been worsening
they could not have been worsening

Interrogative form

Simple form

could I worsen?
could you worsen?
could she worsen?
could we worsen?
could you worsen?
could they worsen?

V-ing form

could I be worsening?
could you be worsening?
could she be worsening?
could we be worsening?
could you be worsening?
could they be worsening?

Perfect

could I have worsened?
could you have worsened?
could she have worsened?
could we have worsened?
could you have worsened?
could they have worsened?

V-ing perfect

could I have been worsening?
could you have been worsening?
could she have been worsening?
could we have been worsening?
could you have been worsening?
could they have been worsening?

Interro-negative form

Simple form

could I not worsen?
could you not worsen?
could she not worsen?
could we not worsen?
could you not worsen?
could they not worsen?

V-ing form

could I not be worsening?
could you not be worsening?
could she not be worsening?
could we not be worsening?
could you not be worsening?
could they not be worsening?

Perfect

could I not have worsened?
could you not have worsened?
could she not have worsened?
could we not have worsened?
could you not have worsened?
could they not have worsened?

V-ing perfect

could I not have been worsening?
could you not have been worsening?
could she not have been worsening?
could we not have been worsening?
could you not have been worsening?
could they not have been worsening?

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