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 can't worsen you can't worsen he can't worsen we can't worsen you can't worsen they can't worsen	I can't be worsening you can't be worsening he can't be worsening we can't be worsening you can't be worsening they can't be worsening
Perfect	V-ing perfect
I can't have worsened you can't have worsened he can't have worsened we can't have worsened you can't have worsened they can't have worsened	I can't have been worsening you can't have been worsening he can't have been worsening we can't have been worsening you can't have been worsening they can't 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't I worsen? can't you worsen? can't he worsen? can't we worsen? can't you worsen? can't they worsen?	can't I be worsening? can't you be worsening? can't he be worsening? can't we be worsening? can't you be worsening? can't they be worsening?
Perfect	V-ing perfect
can't I have worsened? can't you have worsened? can't he have worsened? can't we have worsened? can't you have worsened? can't they have worsened?	can't I have been worsening? can't you have been worsening? can't he have been worsening? can't we have been worsening? can't you have been worsening? can't they have been worsening?