I could loiter you could loiter she could loiter we could loiter you could loiter they could loiter
V-ing form
I could be loitering you could be loitering she could be loitering we could be loitering you could be loitering they could be loitering
Perfect
I could have loitered you could have loitered she could have loitered we could have loitered you could have loitered they could have loitered
V-ing perfect
I could have been loitering you could have been loitering she could have been loitering we could have been loitering you could have been loitering they could have been loitering
Negation
Simple form
I could not loiter you could not loiter she could not loiter we could not loiter you could not loiter they could not loiter
V-ing form
I could not be loitering you could not be loitering she could not be loitering we could not be loitering you could not be loitering they could not be loitering
Perfect
I could not have loitered you could not have loitered she could not have loitered we could not have loitered you could not have loitered they could not have loitered
V-ing perfect
I could not have been loitering you could not have been loitering she could not have been loitering we could not have been loitering you could not have been loitering they could not have been loitering
Interrogative form
Simple form
could I loiter? could you loiter? could she loiter? could we loiter? could you loiter? could they loiter?
V-ing form
could I be loitering? could you be loitering? could she be loitering? could we be loitering? could you be loitering? could they be loitering?
Perfect
could I have loitered? could you have loitered? could she have loitered? could we have loitered? could you have loitered? could they have loitered?
V-ing perfect
could I have been loitering? could you have been loitering? could she have been loitering? could we have been loitering? could you have been loitering? could they have been loitering?
Interro-negative form
Simple form
could I not loiter? could you not loiter? could she not loiter? could we not loiter? could you not loiter? could they not loiter?
V-ing form
could I not be loitering? could you not be loitering? could she not be loitering? could we not be loitering? could you not be loitering? could they not be loitering?
Perfect
could I not have loitered? could you not have loitered? could she not have loitered? could we not have loitered? could you not have loitered? could they not have loitered?
V-ing perfect
could I not have been loitering? could you not have been loitering? could she not have been loitering? could we not have been loitering? could you not have been loitering? could they not have been loitering?