I could placard you could placard he could placard we could placard you could placard they could placard
Forma com V-ing
I could be placarding you could be placarding he could be placarding we could be placarding you could be placarding they could be placarding
Perfeito
I could have placarded you could have placarded he could have placarded we could have placarded you could have placarded they could have placarded
Perfeito com V-ing
I could have been placarding you could have been placarding he could have been placarding we could have been placarding you could have been placarding they could have been placarding
Negação
Forma simple
I could not placard you could not placard he could not placard we could not placard you could not placard they could not placard
Forma com V-ing
I could not be placarding you could not be placarding he could not be placarding we could not be placarding you could not be placarding they could not be placarding
Perfeito
I could not have placarded you could not have placarded he could not have placarded we could not have placarded you could not have placarded they could not have placarded
Perfeito com V-ing
I could not have been placarding you could not have been placarding he could not have been placarding we could not have been placarding you could not have been placarding they could not have been placarding
Forma interrogativa
Forma simple
could I placard? could you placard? could he placard? could we placard? could you placard? could they placard?
Forma com V-ing
could I be placarding? could you be placarding? could he be placarding? could we be placarding? could you be placarding? could they be placarding?
Perfeito
could I have placarded? could you have placarded? could he have placarded? could we have placarded? could you have placarded? could they have placarded?
Perfeito com V-ing
could I have been placarding? could you have been placarding? could he have been placarding? could we have been placarding? could you have been placarding? could they have been placarding?
Forma interro-Negação
Forma simple
could I not placard? could you not placard? could he not placard? could we not placard? could you not placard? could they not placard?
Forma com V-ing
could I not be placarding? could you not be placarding? could he not be placarding? could we not be placarding? could you not be placarding? could they not be placarding?
Perfeito
could I not have placarded? could you not have placarded? could he not have placarded? could we not have placarded? could you not have placarded? could they not have placarded?
Perfeito com V-ing
could I not have been placarding? could you not have been placarding? could he not have been placarding? could we not have been placarding? could you not have been placarding? could they not have been placarding?