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