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