I could outwatch you could outwatch he could outwatch we could outwatch you could outwatch they could outwatch
V-ing form
I could be outwatching you could be outwatching he could be outwatching we could be outwatching you could be outwatching they could be outwatching
Perfect
I could have outwatched you could have outwatched he could have outwatched we could have outwatched you could have outwatched they could have outwatched
V-ing perfect
I could have been outwatching you could have been outwatching he could have been outwatching we could have been outwatching you could have been outwatching they could have been outwatching
Negation
Simple form
I could not outwatch you could not outwatch he could not outwatch we could not outwatch you could not outwatch they could not outwatch
V-ing form
I could not be outwatching you could not be outwatching he could not be outwatching we could not be outwatching you could not be outwatching they could not be outwatching
Perfect
I could not have outwatched you could not have outwatched he could not have outwatched we could not have outwatched you could not have outwatched they could not have outwatched
V-ing perfect
I could not have been outwatching you could not have been outwatching he could not have been outwatching we could not have been outwatching you could not have been outwatching they could not have been outwatching
Interrogative form
Simple form
could I outwatch? could you outwatch? could he outwatch? could we outwatch? could you outwatch? could they outwatch?
V-ing form
could I be outwatching? could you be outwatching? could he be outwatching? could we be outwatching? could you be outwatching? could they be outwatching?
Perfect
could I have outwatched? could you have outwatched? could he have outwatched? could we have outwatched? could you have outwatched? could they have outwatched?
V-ing perfect
could I have been outwatching? could you have been outwatching? could he have been outwatching? could we have been outwatching? could you have been outwatching? could they have been outwatching?
Interro-negative form
Simple form
could I not outwatch? could you not outwatch? could he not outwatch? could we not outwatch? could you not outwatch? could they not outwatch?
V-ing form
could I not be outwatching? could you not be outwatching? could he not be outwatching? could we not be outwatching? could you not be outwatching? could they not be outwatching?
Perfect
could I not have outwatched? could you not have outwatched? could he not have outwatched? could we not have outwatched? could you not have outwatched? could they not have outwatched?
V-ing perfect
could I not have been outwatching? could you not have been outwatching? could he not have been outwatching? could we not have been outwatching? could you not have been outwatching? could they not have been outwatching?