I could worsen you could worsen he could worsen we could worsen you could worsen they could worsen
Forma com V-ing
I could be worsening you could be worsening he could be worsening we could be worsening you could be worsening they could be worsening
Perfeito
I could have worsened you could have worsened he could have worsened we could have worsened you could have worsened they could have worsened
Perfeito com V-ing
I could have been worsening you could have been worsening he could have been worsening we could have been worsening you could have been worsening they could have been worsening
Negação
Forma simple
I could not worsen you could not worsen he could not worsen we could not worsen you could not worsen they could not worsen
Forma com V-ing
I could not be worsening you could not be worsening he could not be worsening we could not be worsening you could not be worsening they could not be worsening
Perfeito
I could not have worsened you could not have worsened he could not have worsened we could not have worsened you could not have worsened they could not have worsened
Perfeito com V-ing
I could not have been worsening you could not have been worsening he could not have been worsening we could not have been worsening you could not have been worsening they could not have been worsening
Forma interrogativa
Forma simple
could I worsen? could you worsen? could he worsen? could we worsen? could you worsen? could they worsen?
Forma com V-ing
could I be worsening? could you be worsening? could he be worsening? could we be worsening? could you be worsening? could they be worsening?
Perfeito
could I have worsened? could you have worsened? could he have worsened? could we have worsened? could you have worsened? could they have worsened?
Perfeito com V-ing
could I have been worsening? could you have been worsening? could he have been worsening? could we have been worsening? could you have been worsening? could they have been worsening?
Forma interro-Negação
Forma simple
could I not worsen? could you not worsen? could he not worsen? could we not worsen? could you not worsen? could they not worsen?
Forma com V-ing
could I not be worsening? could you not be worsening? could he not be worsening? could we not be worsening? could you not be worsening? could they not be worsening?
Perfeito
could I not have worsened? could you not have worsened? could he not have worsened? could we not have worsened? could you not have worsened? could they not have worsened?
Perfeito com V-ing
could I not have been worsening? could you not have been worsening? could he not have been worsening? could we not have been worsening? could you not have been worsening? could they not have been worsening?