I could scatter you could scatter he could scatter we could scatter you could scatter they could scatter
V-ing form
I could be scattering you could be scattering he could be scattering we could be scattering you could be scattering they could be scattering
Perfect
I could have scattered you could have scattered he could have scattered we could have scattered you could have scattered they could have scattered
V-ing perfect
I could have been scattering you could have been scattering he could have been scattering we could have been scattering you could have been scattering they could have been scattering
Negation
Simple form
I could not scatter you could not scatter he could not scatter we could not scatter you could not scatter they could not scatter
V-ing form
I could not be scattering you could not be scattering he could not be scattering we could not be scattering you could not be scattering they could not be scattering
Perfect
I could not have scattered you could not have scattered he could not have scattered we could not have scattered you could not have scattered they could not have scattered
V-ing perfect
I could not have been scattering you could not have been scattering he could not have been scattering we could not have been scattering you could not have been scattering they could not have been scattering
Interrogative form
Simple form
could I scatter? could you scatter? could he scatter? could we scatter? could you scatter? could they scatter?
V-ing form
could I be scattering? could you be scattering? could he be scattering? could we be scattering? could you be scattering? could they be scattering?
Perfect
could I have scattered? could you have scattered? could he have scattered? could we have scattered? could you have scattered? could they have scattered?
V-ing perfect
could I have been scattering? could you have been scattering? could he have been scattering? could we have been scattering? could you have been scattering? could they have been scattering?
Interro-negative form
Simple form
could I not scatter? could you not scatter? could he not scatter? could we not scatter? could you not scatter? could they not scatter?
V-ing form
could I not be scattering? could you not be scattering? could he not be scattering? could we not be scattering? could you not be scattering? could they not be scattering?
Perfect
could I not have scattered? could you not have scattered? could he not have scattered? could we not have scattered? could you not have scattered? could they not have scattered?
V-ing perfect
could I not have been scattering? could you not have been scattering? could he not have been scattering? could we not have been scattering? could you not have been scattering? could they not have been scattering?