I could sadden you could sadden he could sadden we could sadden you could sadden they could sadden
Forma com V-ing
I could be saddening you could be saddening he could be saddening we could be saddening you could be saddening they could be saddening
Perfeito
I could have saddened you could have saddened he could have saddened we could have saddened you could have saddened they could have saddened
Perfeito com V-ing
I could have been saddening you could have been saddening he could have been saddening we could have been saddening you could have been saddening they could have been saddening
Negação
Forma simple
I could not sadden you could not sadden he could not sadden we could not sadden you could not sadden they could not sadden
Forma com V-ing
I could not be saddening you could not be saddening he could not be saddening we could not be saddening you could not be saddening they could not be saddening
Perfeito
I could not have saddened you could not have saddened he could not have saddened we could not have saddened you could not have saddened they could not have saddened
Perfeito com V-ing
I could not have been saddening you could not have been saddening he could not have been saddening we could not have been saddening you could not have been saddening they could not have been saddening
Forma interrogativa
Forma simple
could I sadden? could you sadden? could he sadden? could we sadden? could you sadden? could they sadden?
Forma com V-ing
could I be saddening? could you be saddening? could he be saddening? could we be saddening? could you be saddening? could they be saddening?
Perfeito
could I have saddened? could you have saddened? could he have saddened? could we have saddened? could you have saddened? could they have saddened?
Perfeito com V-ing
could I have been saddening? could you have been saddening? could he have been saddening? could we have been saddening? could you have been saddening? could they have been saddening?
Forma interro-Negação
Forma simple
could I not sadden? could you not sadden? could he not sadden? could we not sadden? could you not sadden? could they not sadden?
Forma com V-ing
could I not be saddening? could you not be saddening? could he not be saddening? could we not be saddening? could you not be saddening? could they not be saddening?
Perfeito
could I not have saddened? could you not have saddened? could he not have saddened? could we not have saddened? could you not have saddened? could they not have saddened?
Perfeito com V-ing
could I not have been saddening? could you not have been saddening? could he not have been saddening? could we not have been saddening? could you not have been saddening? could they not have been saddening?