I could prospect you could prospect she could prospect we could prospect you could prospect they could prospect
Forma con V-ing
I could be prospecting you could be prospecting she could be prospecting we could be prospecting you could be prospecting they could be prospecting
Perfecto
I could have prospected you could have prospected she could have prospected we could have prospected you could have prospected they could have prospected
Perfecto con V-ing
I could have been prospecting you could have been prospecting she could have been prospecting we could have been prospecting you could have been prospecting they could have been prospecting
Negación
Forma simple
I couldn't prospect you couldn't prospect she couldn't prospect we couldn't prospect you couldn't prospect they couldn't prospect
Forma con V-ing
I couldn't be prospecting you couldn't be prospecting she couldn't be prospecting we couldn't be prospecting you couldn't be prospecting they couldn't be prospecting
Perfecto
I couldn't have prospected you couldn't have prospected she couldn't have prospected we couldn't have prospected you couldn't have prospected they couldn't have prospected
Perfecto con V-ing
I couldn't have been prospecting you couldn't have been prospecting she couldn't have been prospecting we couldn't have been prospecting you couldn't have been prospecting they couldn't have been prospecting
Forma interrogativa
Forma simple
could I prospect? could you prospect? could she prospect? could we prospect? could you prospect? could they prospect?
Forma con V-ing
could I be prospecting? could you be prospecting? could she be prospecting? could we be prospecting? could you be prospecting? could they be prospecting?
Perfecto
could I have prospected? could you have prospected? could she have prospected? could we have prospected? could you have prospected? could they have prospected?
Perfecto con V-ing
could I have been prospecting? could you have been prospecting? could she have been prospecting? could we have been prospecting? could you have been prospecting? could they have been prospecting?
Forma interro-negativa
Forma simple
couldn't I prospect? couldn't you prospect? couldn't she prospect? couldn't we prospect? couldn't you prospect? couldn't they prospect?
Forma con V-ing
couldn't I be prospecting? couldn't you be prospecting? couldn't she be prospecting? couldn't we be prospecting? couldn't you be prospecting? couldn't they be prospecting?
Perfecto
couldn't I have prospected? couldn't you have prospected? couldn't she have prospected? couldn't we have prospected? couldn't you have prospected? couldn't they have prospected?
Perfecto con V-ing
couldn't I have been prospecting? couldn't you have been prospecting? couldn't she have been prospecting? couldn't we have been prospecting? couldn't you have been prospecting? couldn't they have been prospecting?