I could digest you could digest he could digest we could digest you could digest they could digest
Forma com V-ing
I could be digesting you could be digesting he could be digesting we could be digesting you could be digesting they could be digesting
Perfeito
I could have digested you could have digested he could have digested we could have digested you could have digested they could have digested
Perfeito com V-ing
I could have been digesting you could have been digesting he could have been digesting we could have been digesting you could have been digesting they could have been digesting
Negação
Forma simple
I could not digest you could not digest he could not digest we could not digest you could not digest they could not digest
Forma com V-ing
I could not be digesting you could not be digesting he could not be digesting we could not be digesting you could not be digesting they could not be digesting
Perfeito
I could not have digested you could not have digested he could not have digested we could not have digested you could not have digested they could not have digested
Perfeito com V-ing
I could not have been digesting you could not have been digesting he could not have been digesting we could not have been digesting you could not have been digesting they could not have been digesting
Forma interrogativa
Forma simple
could I digest? could you digest? could he digest? could we digest? could you digest? could they digest?
Forma com V-ing
could I be digesting? could you be digesting? could he be digesting? could we be digesting? could you be digesting? could they be digesting?
Perfeito
could I have digested? could you have digested? could he have digested? could we have digested? could you have digested? could they have digested?
Perfeito com V-ing
could I have been digesting? could you have been digesting? could he have been digesting? could we have been digesting? could you have been digesting? could they have been digesting?
Forma interro-Negação
Forma simple
could I not digest? could you not digest? could he not digest? could we not digest? could you not digest? could they not digest?
Forma com V-ing
could I not be digesting? could you not be digesting? could he not be digesting? could we not be digesting? could you not be digesting? could they not be digesting?
Perfeito
could I not have digested? could you not have digested? could he not have digested? could we not have digested? could you not have digested? could they not have digested?
Perfeito com V-ing
could I not have been digesting? could you not have been digesting? could he not have been digesting? could we not have been digesting? could you not have been digesting? could they not have been digesting?