I may copper you may copper he may copper we may copper you may copper they may copper
V-ing form
I may be coppering you may be coppering he may be coppering we may be coppering you may be coppering they may be coppering
Perfect
I may have coppered you may have coppered he may have coppered we may have coppered you may have coppered they may have coppered
V-ing perfect
I may have been coppering you may have been coppering he may have been coppering we may have been coppering you may have been coppering they may have been coppering
Negation
Simple form
I may not copper you may not copper he may not copper we may not copper you may not copper they may not copper
V-ing form
I may not be coppering you may not be coppering he may not be coppering we may not be coppering you may not be coppering they may not be coppering
Perfect
I may not have coppered you may not have coppered he may not have coppered we may not have coppered you may not have coppered they may not have coppered
V-ing perfect
I may not have been coppering you may not have been coppering he may not have been coppering we may not have been coppering you may not have been coppering they may not have been coppering
Interrogative form
Simple form
may I copper? may you copper? may he copper? may we copper? may you copper? may they copper?
V-ing form
may I be coppering? may you be coppering? may he be coppering? may we be coppering? may you be coppering? may they be coppering?
Perfect
may I have coppered? may you have coppered? may he have coppered? may we have coppered? may you have coppered? may they have coppered?
V-ing perfect
may I have been coppering? may you have been coppering? may he have been coppering? may we have been coppering? may you have been coppering? may they have been coppering?
Interro-negative form
Simple form
may I not copper? may you not copper? may he not copper? may we not copper? may you not copper? may they not copper?
V-ing form
may I not be coppering? may you not be coppering? may he not be coppering? may we not be coppering? may you not be coppering? may they not be coppering?
Perfect
may I not have coppered? may you not have coppered? may he not have coppered? may we not have coppered? may you not have coppered? may they not have coppered?
V-ing perfect
may I not have been coppering? may you not have been coppering? may he not have been coppering? may we not have been coppering? may you not have been coppering? may they not have been coppering?