English verb conjugation
CAN WORSEN

Regular verb: worsen - worsened - worsened

Affirmation

Simple form	V-ing form
I can worsen you can worsen he can worsen we can worsen you can worsen they can worsen	I can be worsening you can be worsening he can be worsening we can be worsening you can be worsening they can be worsening
Perfect	V-ing perfect
I can have worsened you can have worsened he can have worsened we can have worsened you can have worsened they can have worsened	I can have been worsening you can have been worsening he can have been worsening we can have been worsening you can have been worsening they can have been worsening

Negation

Simple form	V-ing form
I cannot worsen you cannot worsen he cannot worsen we cannot worsen you cannot worsen they cannot worsen	I cannot be worsening you cannot be worsening he cannot be worsening we cannot be worsening you cannot be worsening they cannot be worsening
Perfect	V-ing perfect
I cannot have worsened you cannot have worsened he cannot have worsened we cannot have worsened you cannot have worsened they cannot have worsened	I cannot have been worsening you cannot have been worsening he cannot have been worsening we cannot have been worsening you cannot have been worsening they cannot have been worsening

Interrogative form

Simple form	V-ing form
can I worsen? can you worsen? can he worsen? can we worsen? can you worsen? can they worsen?	can I be worsening? can you be worsening? can he be worsening? can we be worsening? can you be worsening? can they be worsening?
Perfect	V-ing perfect
can I have worsened? can you have worsened? can he have worsened? can we have worsened? can you have worsened? can they have worsened?	can I have been worsening? can you have been worsening? can he have been worsening? can we have been worsening? can you have been worsening? can they have been worsening?

Interro-negative form

Simple form	V-ing form
can I not worsen? can you not worsen? can he not worsen? can we not worsen? can you not worsen? can they not worsen?	can I not be worsening? can you not be worsening? can he not be worsening? can we not be worsening? can you not be worsening? can they not be worsening?
Perfect	V-ing perfect
can I not have worsened? can you not have worsened? can he not have worsened? can we not have worsened? can you not have worsened? can they not have worsened?	can I not have been worsening? can you not have been worsening? can he not have been worsening? can we not have been worsening? can you not have been worsening? can they not have been worsening?