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 cannot worsen you cannot worsen he cannot worsen we cannot worsen you cannot worsen they cannot worsen
Forma com V-ing
I cannot be worsening you cannot be worsening he cannot be worsening we cannot be worsening you cannot be worsening they cannot be worsening
Perfeito
I cannot have worsened you cannot have worsened he cannot have worsened we cannot have worsened you cannot have worsened they cannot have worsened
Perfeito com V-ing
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
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 I not worsen? can you not worsen? can he not worsen? can we not worsen? can you not worsen? can they not worsen?
Forma com V-ing
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?
Perfeito
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?
Perfeito com V-ing
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?