I could station you could station she could station we could station you could station they could station
V-ing form
I could be stationing you could be stationing she could be stationing we could be stationing you could be stationing they could be stationing
Perfect
I could have stationed you could have stationed she could have stationed we could have stationed you could have stationed they could have stationed
V-ing perfect
I could have been stationing you could have been stationing she could have been stationing we could have been stationing you could have been stationing they could have been stationing
Negation
Simple form
I could not station you could not station she could not station we could not station you could not station they could not station
V-ing form
I could not be stationing you could not be stationing she could not be stationing we could not be stationing you could not be stationing they could not be stationing
Perfect
I could not have stationed you could not have stationed she could not have stationed we could not have stationed you could not have stationed they could not have stationed
V-ing perfect
I could not have been stationing you could not have been stationing she could not have been stationing we could not have been stationing you could not have been stationing they could not have been stationing
Interrogative form
Simple form
could I station? could you station? could she station? could we station? could you station? could they station?
V-ing form
could I be stationing? could you be stationing? could she be stationing? could we be stationing? could you be stationing? could they be stationing?
Perfect
could I have stationed? could you have stationed? could she have stationed? could we have stationed? could you have stationed? could they have stationed?
V-ing perfect
could I have been stationing? could you have been stationing? could she have been stationing? could we have been stationing? could you have been stationing? could they have been stationing?
Interro-negative form
Simple form
could I not station? could you not station? could she not station? could we not station? could you not station? could they not station?
V-ing form
could I not be stationing? could you not be stationing? could she not be stationing? could we not be stationing? could you not be stationing? could they not be stationing?
Perfect
could I not have stationed? could you not have stationed? could she not have stationed? could we not have stationed? could you not have stationed? could they not have stationed?
V-ing perfect
could I not have been stationing? could you not have been stationing? could she not have been stationing? could we not have been stationing? could you not have been stationing? could they not have been stationing?