I could filmset you could filmset he could filmset we could filmset you could filmset they could filmset
V-ing form
I could be filmseting you could be filmseting he could be filmseting we could be filmseting you could be filmseting they could be filmseting
Perfect
I could have filmseted you could have filmseted he could have filmseted we could have filmseted you could have filmseted they could have filmseted
V-ing perfect
I could have been filmseting you could have been filmseting he could have been filmseting we could have been filmseting you could have been filmseting they could have been filmseting
Negation
Simple form
I could not filmset you could not filmset he could not filmset we could not filmset you could not filmset they could not filmset
V-ing form
I could not be filmseting you could not be filmseting he could not be filmseting we could not be filmseting you could not be filmseting they could not be filmseting
Perfect
I could not have filmseted you could not have filmseted he could not have filmseted we could not have filmseted you could not have filmseted they could not have filmseted
V-ing perfect
I could not have been filmseting you could not have been filmseting he could not have been filmseting we could not have been filmseting you could not have been filmseting they could not have been filmseting
Interrogative form
Simple form
could I filmset? could you filmset? could he filmset? could we filmset? could you filmset? could they filmset?
V-ing form
could I be filmseting? could you be filmseting? could he be filmseting? could we be filmseting? could you be filmseting? could they be filmseting?
Perfect
could I have filmseted? could you have filmseted? could he have filmseted? could we have filmseted? could you have filmseted? could they have filmseted?
V-ing perfect
could I have been filmseting? could you have been filmseting? could he have been filmseting? could we have been filmseting? could you have been filmseting? could they have been filmseting?
Interro-negative form
Simple form
could I not filmset? could you not filmset? could he not filmset? could we not filmset? could you not filmset? could they not filmset?
V-ing form
could I not be filmseting? could you not be filmseting? could he not be filmseting? could we not be filmseting? could you not be filmseting? could they not be filmseting?
Perfect
could I not have filmseted? could you not have filmseted? could he not have filmseted? could we not have filmseted? could you not have filmseted? could they not have filmseted?
V-ing perfect
could I not have been filmseting? could you not have been filmseting? could he not have been filmseting? could we not have been filmseting? could you not have been filmseting? could they not have been filmseting?