I could prospect you could prospect he could prospect we could prospect you could prospect they could prospect
Forme en 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
Perfect
I could have prospected you could have prospected he could have prospected we could have prospected you could have prospected they could have prospected
Perfect en 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
Négation
Forme simple
I couldn't prospect you couldn't prospect he couldn't prospect we couldn't prospect you couldn't prospect they couldn't prospect
Forme en V-ing
I couldn't be prospecting you couldn't be prospecting he couldn't be prospecting we couldn't be prospecting you couldn't be prospecting they couldn't be prospecting
Perfect
I couldn't have prospected you couldn't have prospected he couldn't have prospected we couldn't have prospected you couldn't have prospected they couldn't have prospected
Perfect en V-ing
I couldn't have been prospecting you couldn't have been prospecting he couldn't have been prospecting we couldn't have been prospecting you couldn't have been prospecting they couldn't have been prospecting
Forme interrogative
Forme simple
could I prospect? could you prospect? could he prospect? could we prospect? could you prospect? could they prospect?
Forme en 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?
Perfect
could I have prospected? could you have prospected? could he have prospected? could we have prospected? could you have prospected? could they have prospected?
Perfect en 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?
Forme interro-négative
Forme simple
couldn't I prospect? couldn't you prospect? couldn't he prospect? couldn't we prospect? couldn't you prospect? couldn't they prospect?
Forme en V-ing
couldn't I be prospecting? couldn't you be prospecting? couldn't he be prospecting? couldn't we be prospecting? couldn't you be prospecting? couldn't they be prospecting?
Perfect
couldn't I have prospected? couldn't you have prospected? couldn't he have prospected? couldn't we have prospected? couldn't you have prospected? couldn't they have prospected?
Perfect en V-ing
couldn't I have been prospecting? couldn't you have been prospecting? couldn't he have been prospecting? couldn't we have been prospecting? couldn't you have been prospecting? couldn't they have been prospecting?