I could bushwhack you could bushwhack he could bushwhack we could bushwhack you could bushwhack they could bushwhack
V-ing form
I could be bushwhacking you could be bushwhacking he could be bushwhacking we could be bushwhacking you could be bushwhacking they could be bushwhacking
Perfect
I could have bushwhacked you could have bushwhacked he could have bushwhacked we could have bushwhacked you could have bushwhacked they could have bushwhacked
V-ing perfect
I could have been bushwhacking you could have been bushwhacking he could have been bushwhacking we could have been bushwhacking you could have been bushwhacking they could have been bushwhacking
Negation
Simple form
I could not bushwhack you could not bushwhack he could not bushwhack we could not bushwhack you could not bushwhack they could not bushwhack
V-ing form
I could not be bushwhacking you could not be bushwhacking he could not be bushwhacking we could not be bushwhacking you could not be bushwhacking they could not be bushwhacking
Perfect
I could not have bushwhacked you could not have bushwhacked he could not have bushwhacked we could not have bushwhacked you could not have bushwhacked they could not have bushwhacked
V-ing perfect
I could not have been bushwhacking you could not have been bushwhacking he could not have been bushwhacking we could not have been bushwhacking you could not have been bushwhacking they could not have been bushwhacking
Interrogative form
Simple form
could I bushwhack? could you bushwhack? could he bushwhack? could we bushwhack? could you bushwhack? could they bushwhack?
V-ing form
could I be bushwhacking? could you be bushwhacking? could he be bushwhacking? could we be bushwhacking? could you be bushwhacking? could they be bushwhacking?
Perfect
could I have bushwhacked? could you have bushwhacked? could he have bushwhacked? could we have bushwhacked? could you have bushwhacked? could they have bushwhacked?
V-ing perfect
could I have been bushwhacking? could you have been bushwhacking? could he have been bushwhacking? could we have been bushwhacking? could you have been bushwhacking? could they have been bushwhacking?
Interro-negative form
Simple form
could I not bushwhack? could you not bushwhack? could he not bushwhack? could we not bushwhack? could you not bushwhack? could they not bushwhack?
V-ing form
could I not be bushwhacking? could you not be bushwhacking? could he not be bushwhacking? could we not be bushwhacking? could you not be bushwhacking? could they not be bushwhacking?
Perfect
could I not have bushwhacked? could you not have bushwhacked? could he not have bushwhacked? could we not have bushwhacked? could you not have bushwhacked? could they not have bushwhacked?
V-ing perfect
could I not have been bushwhacking? could you not have been bushwhacking? could he not have been bushwhacking? could we not have been bushwhacking? could you not have been bushwhacking? could they not have been bushwhacking?