I could prospect you could prospect he could prospect we could prospect you could prospect they could prospect
Forma com V-ing
I could be prospecting you could be prospecting he could be prospecting we could be prospecting you could be prospecting they could be prospecting
Perfeito
I could have prospected you could have prospected he could have prospected we could have prospected you could have prospected they could have prospected
Perfeito com V-ing
I could have been prospecting you could have been prospecting he could have been prospecting we could have been prospecting you could have been prospecting they could have been prospecting
Negação
Forma simple
I could not prospect you could not prospect he could not prospect we could not prospect you could not prospect they could not prospect
Forma com V-ing
I could not be prospecting you could not be prospecting he could not be prospecting we could not be prospecting you could not be prospecting they could not be prospecting
Perfeito
I could not have prospected you could not have prospected he could not have prospected we could not have prospected you could not have prospected they could not have prospected
Perfeito com V-ing
I could not have been prospecting you could not have been prospecting he could not have been prospecting we could not have been prospecting you could not have been prospecting they could not have been prospecting
Forma interrogativa
Forma simple
could I prospect? could you prospect? could he prospect? could we prospect? could you prospect? could they prospect?
Forma com V-ing
could I be prospecting? could you be prospecting? could he be prospecting? could we be prospecting? could you be prospecting? could they be prospecting?
Perfeito
could I have prospected? could you have prospected? could he have prospected? could we have prospected? could you have prospected? could they have prospected?
Perfeito com V-ing
could I have been prospecting? could you have been prospecting? could he have been prospecting? could we have been prospecting? could you have been prospecting? could they have been prospecting?
Forma interro-Negação
Forma simple
could I not prospect? could you not prospect? could he not prospect? could we not prospect? could you not prospect? could they not prospect?
Forma com V-ing
could I not be prospecting? could you not be prospecting? could he not be prospecting? could we not be prospecting? could you not be prospecting? could they not be prospecting?
Perfeito
could I not have prospected? could you not have prospected? could he not have prospected? could we not have prospected? could you not have prospected? could they not have prospected?
Perfeito com V-ing
could I not have been prospecting? could you not have been prospecting? could he not have been prospecting? could we not have been prospecting? could you not have been prospecting? could they not have been prospecting?