I can worsen you can worsen he can worsen we can worsen you can worsen they can worsen
Forma com V-ing
I can be worsening you can be worsening he can be worsening we can be worsening you can be worsening they can be worsening
Perfeito
I can have worsened you can have worsened he can have worsened we can have worsened you can have worsened they can have worsened
Perfeito com V-ing
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
Negação
Forma simple
I can't worsen you can't worsen he can't worsen we can't worsen you can't worsen they can't worsen
Forma com V-ing
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
Perfeito
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
Perfeito com V-ing
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
Forma interrogativa
Forma simple
can I worsen? can you worsen? can he worsen? can we worsen? can you worsen? can they worsen?
Forma com V-ing
can I be worsening? can you be worsening? can he be worsening? can we be worsening? can you be worsening? can they be worsening?
Perfeito
can I have worsened? can you have worsened? can he have worsened? can we have worsened? can you have worsened? can they have worsened?
Perfeito com V-ing
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?
Forma interro-Negação
Forma simple
can't I worsen? can't you worsen? can't he worsen? can't we worsen? can't you worsen? can't they worsen?
Forma com V-ing
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?
Perfeito
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?
Perfeito com V-ing
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?