I could depopulate you could depopulate he could depopulate we could depopulate you could depopulate they could depopulate
V-ing form
I could be depopulating you could be depopulating he could be depopulating we could be depopulating you could be depopulating they could be depopulating
Perfect
I could have depopulated you could have depopulated he could have depopulated we could have depopulated you could have depopulated they could have depopulated
V-ing perfect
I could have been depopulating you could have been depopulating he could have been depopulating we could have been depopulating you could have been depopulating they could have been depopulating
Negation
Simple form
I could not depopulate you could not depopulate he could not depopulate we could not depopulate you could not depopulate they could not depopulate
V-ing form
I could not be depopulating you could not be depopulating he could not be depopulating we could not be depopulating you could not be depopulating they could not be depopulating
Perfect
I could not have depopulated you could not have depopulated he could not have depopulated we could not have depopulated you could not have depopulated they could not have depopulated
V-ing perfect
I could not have been depopulating you could not have been depopulating he could not have been depopulating we could not have been depopulating you could not have been depopulating they could not have been depopulating
Interrogative form
Simple form
could I depopulate? could you depopulate? could he depopulate? could we depopulate? could you depopulate? could they depopulate?
V-ing form
could I be depopulating? could you be depopulating? could he be depopulating? could we be depopulating? could you be depopulating? could they be depopulating?
Perfect
could I have depopulated? could you have depopulated? could he have depopulated? could we have depopulated? could you have depopulated? could they have depopulated?
V-ing perfect
could I have been depopulating? could you have been depopulating? could he have been depopulating? could we have been depopulating? could you have been depopulating? could they have been depopulating?
Interro-negative form
Simple form
could I not depopulate? could you not depopulate? could he not depopulate? could we not depopulate? could you not depopulate? could they not depopulate?
V-ing form
could I not be depopulating? could you not be depopulating? could he not be depopulating? could we not be depopulating? could you not be depopulating? could they not be depopulating?
Perfect
could I not have depopulated? could you not have depopulated? could he not have depopulated? could we not have depopulated? could you not have depopulated? could they not have depopulated?
V-ing perfect
could I not have been depopulating? could you not have been depopulating? could he not have been depopulating? could we not have been depopulating? could you not have been depopulating? could they not have been depopulating?