I could packet you could packet she could packet we could packet you could packet they could packet
Forma com V-ing
I could be packeting you could be packeting she could be packeting we could be packeting you could be packeting they could be packeting
Perfeito
I could have packeted you could have packeted she could have packeted we could have packeted you could have packeted they could have packeted
Perfeito com V-ing
I could have been packeting you could have been packeting she could have been packeting we could have been packeting you could have been packeting they could have been packeting
Negação
Forma simple
I could not packet you could not packet she could not packet we could not packet you could not packet they could not packet
Forma com V-ing
I could not be packeting you could not be packeting she could not be packeting we could not be packeting you could not be packeting they could not be packeting
Perfeito
I could not have packeted you could not have packeted she could not have packeted we could not have packeted you could not have packeted they could not have packeted
Perfeito com V-ing
I could not have been packeting you could not have been packeting she could not have been packeting we could not have been packeting you could not have been packeting they could not have been packeting
Forma interrogativa
Forma simple
could I packet? could you packet? could she packet? could we packet? could you packet? could they packet?
Forma com V-ing
could I be packeting? could you be packeting? could she be packeting? could we be packeting? could you be packeting? could they be packeting?
Perfeito
could I have packeted? could you have packeted? could she have packeted? could we have packeted? could you have packeted? could they have packeted?
Perfeito com V-ing
could I have been packeting? could you have been packeting? could she have been packeting? could we have been packeting? could you have been packeting? could they have been packeting?
Forma interro-Negação
Forma simple
could I not packet? could you not packet? could she not packet? could we not packet? could you not packet? could they not packet?
Forma com V-ing
could I not be packeting? could you not be packeting? could she not be packeting? could we not be packeting? could you not be packeting? could they not be packeting?
Perfeito
could I not have packeted? could you not have packeted? could she not have packeted? could we not have packeted? could you not have packeted? could they not have packeted?
Perfeito com V-ing
could I not have been packeting? could you not have been packeting? could she not have been packeting? could we not have been packeting? could you not have been packeting? could they not have been packeting?