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