I could arrange you could arrange she could arrange we could arrange you could arrange they could arrange
V-ing form
I could be arranging you could be arranging she could be arranging we could be arranging you could be arranging they could be arranging
Perfect
I could have arranged you could have arranged she could have arranged we could have arranged you could have arranged they could have arranged
V-ing perfect
I could have been arranging you could have been arranging she could have been arranging we could have been arranging you could have been arranging they could have been arranging
Negation
Simple form
I could not arrange you could not arrange she could not arrange we could not arrange you could not arrange they could not arrange
V-ing form
I could not be arranging you could not be arranging she could not be arranging we could not be arranging you could not be arranging they could not be arranging
Perfect
I could not have arranged you could not have arranged she could not have arranged we could not have arranged you could not have arranged they could not have arranged
V-ing perfect
I could not have been arranging you could not have been arranging she could not have been arranging we could not have been arranging you could not have been arranging they could not have been arranging
Interrogative form
Simple form
could I arrange? could you arrange? could she arrange? could we arrange? could you arrange? could they arrange?
V-ing form
could I be arranging? could you be arranging? could she be arranging? could we be arranging? could you be arranging? could they be arranging?
Perfect
could I have arranged? could you have arranged? could she have arranged? could we have arranged? could you have arranged? could they have arranged?
V-ing perfect
could I have been arranging? could you have been arranging? could she have been arranging? could we have been arranging? could you have been arranging? could they have been arranging?
Interro-negative form
Simple form
could I not arrange? could you not arrange? could she not arrange? could we not arrange? could you not arrange? could they not arrange?
V-ing form
could I not be arranging? could you not be arranging? could she not be arranging? could we not be arranging? could you not be arranging? could they not be arranging?
Perfect
could I not have arranged? could you not have arranged? could she not have arranged? could we not have arranged? could you not have arranged? could they not have arranged?
V-ing perfect
could I not have been arranging? could you not have been arranging? could she not have been arranging? could we not have been arranging? could you not have been arranging? could they not have been arranging?