I could prick you could prick he could prick we could prick you could prick they could prick
Forma com V-ing
I could be pricking you could be pricking he could be pricking we could be pricking you could be pricking they could be pricking
Perfeito
I could have pricked you could have pricked he could have pricked we could have pricked you could have pricked they could have pricked
Perfeito com V-ing
I could have been pricking you could have been pricking he could have been pricking we could have been pricking you could have been pricking they could have been pricking
Negação
Forma simple
I could not prick you could not prick he could not prick we could not prick you could not prick they could not prick
Forma com V-ing
I could not be pricking you could not be pricking he could not be pricking we could not be pricking you could not be pricking they could not be pricking
Perfeito
I could not have pricked you could not have pricked he could not have pricked we could not have pricked you could not have pricked they could not have pricked
Perfeito com V-ing
I could not have been pricking you could not have been pricking he could not have been pricking we could not have been pricking you could not have been pricking they could not have been pricking
Forma interrogativa
Forma simple
could I prick? could you prick? could he prick? could we prick? could you prick? could they prick?
Forma com V-ing
could I be pricking? could you be pricking? could he be pricking? could we be pricking? could you be pricking? could they be pricking?
Perfeito
could I have pricked? could you have pricked? could he have pricked? could we have pricked? could you have pricked? could they have pricked?
Perfeito com V-ing
could I have been pricking? could you have been pricking? could he have been pricking? could we have been pricking? could you have been pricking? could they have been pricking?
Forma interro-Negação
Forma simple
could I not prick? could you not prick? could he not prick? could we not prick? could you not prick? could they not prick?
Forma com V-ing
could I not be pricking? could you not be pricking? could he not be pricking? could we not be pricking? could you not be pricking? could they not be pricking?
Perfeito
could I not have pricked? could you not have pricked? could he not have pricked? could we not have pricked? could you not have pricked? could they not have pricked?
Perfeito com V-ing
could I not have been pricking? could you not have been pricking? could he not have been pricking? could we not have been pricking? could you not have been pricking? could they not have been pricking?