I could exploit you could exploit he could exploit we could exploit you could exploit they could exploit
V-ing form
I could be exploiting you could be exploiting he could be exploiting we could be exploiting you could be exploiting they could be exploiting
Perfect
I could have exploited you could have exploited he could have exploited we could have exploited you could have exploited they could have exploited
V-ing perfect
I could have been exploiting you could have been exploiting he could have been exploiting we could have been exploiting you could have been exploiting they could have been exploiting
Negation
Simple form
I couldn't exploit you couldn't exploit he couldn't exploit we couldn't exploit you couldn't exploit they couldn't exploit
V-ing form
I couldn't be exploiting you couldn't be exploiting he couldn't be exploiting we couldn't be exploiting you couldn't be exploiting they couldn't be exploiting
Perfect
I couldn't have exploited you couldn't have exploited he couldn't have exploited we couldn't have exploited you couldn't have exploited they couldn't have exploited
V-ing perfect
I couldn't have been exploiting you couldn't have been exploiting he couldn't have been exploiting we couldn't have been exploiting you couldn't have been exploiting they couldn't have been exploiting
Interrogative form
Simple form
could I exploit? could you exploit? could he exploit? could we exploit? could you exploit? could they exploit?
V-ing form
could I be exploiting? could you be exploiting? could he be exploiting? could we be exploiting? could you be exploiting? could they be exploiting?
Perfect
could I have exploited? could you have exploited? could he have exploited? could we have exploited? could you have exploited? could they have exploited?
V-ing perfect
could I have been exploiting? could you have been exploiting? could he have been exploiting? could we have been exploiting? could you have been exploiting? could they have been exploiting?
Interro-negative form
Simple form
couldn't I exploit? couldn't you exploit? couldn't he exploit? couldn't we exploit? couldn't you exploit? couldn't they exploit?
V-ing form
couldn't I be exploiting? couldn't you be exploiting? couldn't he be exploiting? couldn't we be exploiting? couldn't you be exploiting? couldn't they be exploiting?
Perfect
couldn't I have exploited? couldn't you have exploited? couldn't he have exploited? couldn't we have exploited? couldn't you have exploited? couldn't they have exploited?
V-ing perfect
couldn't I have been exploiting? couldn't you have been exploiting? couldn't he have been exploiting? couldn't we have been exploiting? couldn't you have been exploiting? couldn't they have been exploiting?