I could wander you could wander she could wander we could wander you could wander they could wander
V-ing form
I could be wandering you could be wandering she could be wandering we could be wandering you could be wandering they could be wandering
Perfect
I could have wandered you could have wandered she could have wandered we could have wandered you could have wandered they could have wandered
V-ing perfect
I could have been wandering you could have been wandering she could have been wandering we could have been wandering you could have been wandering they could have been wandering
Negation
Simple form
I could not wander you could not wander she could not wander we could not wander you could not wander they could not wander
V-ing form
I could not be wandering you could not be wandering she could not be wandering we could not be wandering you could not be wandering they could not be wandering
Perfect
I could not have wandered you could not have wandered she could not have wandered we could not have wandered you could not have wandered they could not have wandered
V-ing perfect
I could not have been wandering you could not have been wandering she could not have been wandering we could not have been wandering you could not have been wandering they could not have been wandering
Interrogative form
Simple form
could I wander? could you wander? could she wander? could we wander? could you wander? could they wander?
V-ing form
could I be wandering? could you be wandering? could she be wandering? could we be wandering? could you be wandering? could they be wandering?
Perfect
could I have wandered? could you have wandered? could she have wandered? could we have wandered? could you have wandered? could they have wandered?
V-ing perfect
could I have been wandering? could you have been wandering? could she have been wandering? could we have been wandering? could you have been wandering? could they have been wandering?
Interro-negative form
Simple form
could I not wander? could you not wander? could she not wander? could we not wander? could you not wander? could they not wander?
V-ing form
could I not be wandering? could you not be wandering? could she not be wandering? could we not be wandering? could you not be wandering? could they not be wandering?
Perfect
could I not have wandered? could you not have wandered? could she not have wandered? could we not have wandered? could you not have wandered? could they not have wandered?
V-ing perfect
could I not have been wandering? could you not have been wandering? could she not have been wandering? could we not have been wandering? could you not have been wandering? could they not have been wandering?