I could pepper you could pepper she could pepper we could pepper you could pepper they could pepper
V-ing form
I could be peppering you could be peppering she could be peppering we could be peppering you could be peppering they could be peppering
Perfect
I could have peppered you could have peppered she 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 she could have been peppering we could have been peppering you could have been peppering they could have been peppering
Negation
Simple form
I couldn't pepper you couldn't pepper she couldn't pepper we couldn't pepper you couldn't pepper they couldn't pepper
V-ing form
I couldn't be peppering you couldn't be peppering she couldn't be peppering we couldn't be peppering you couldn't be peppering they couldn't be peppering
Perfect
I couldn't have peppered you couldn't have peppered she couldn't have peppered we couldn't have peppered you couldn't have peppered they couldn't have peppered
V-ing perfect
I couldn't have been peppering you couldn't have been peppering she couldn't have been peppering we couldn't have been peppering you couldn't have been peppering they couldn't have been peppering
Interrogative form
Simple form
could I pepper? could you pepper? could she pepper? could we pepper? could you pepper? could they pepper?
V-ing form
could I be peppering? could you be peppering? could she be peppering? could we be peppering? could you be peppering? could they be peppering?
Perfect
could I have peppered? could you have peppered? could she 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 she have been peppering? could we have been peppering? could you have been peppering? could they have been peppering?
Interro-negative form
Simple form
couldn't I pepper? couldn't you pepper? couldn't she pepper? couldn't we pepper? couldn't you pepper? couldn't they pepper?
V-ing form
couldn't I be peppering? couldn't you be peppering? couldn't she be peppering? couldn't we be peppering? couldn't you be peppering? couldn't they be peppering?
Perfect
couldn't I have peppered? couldn't you have peppered? couldn't she have peppered? couldn't we have peppered? couldn't you have peppered? couldn't they have peppered?
V-ing perfect
couldn't I have been peppering? couldn't you have been peppering? couldn't she have been peppering? couldn't we have been peppering? couldn't you have been peppering? couldn't they have been peppering?