I may slumber you may slumber he may slumber we may slumber you may slumber they may slumber
V-ing form
I may be slumbering you may be slumbering he may be slumbering we may be slumbering you may be slumbering they may be slumbering
Perfect
I may have slumbered you may have slumbered he may have slumbered we may have slumbered you may have slumbered they may have slumbered
V-ing perfect
I may have been slumbering you may have been slumbering he may have been slumbering we may have been slumbering you may have been slumbering they may have been slumbering
Negation
Simple form
I may not slumber you may not slumber he may not slumber we may not slumber you may not slumber they may not slumber
V-ing form
I may not be slumbering you may not be slumbering he may not be slumbering we may not be slumbering you may not be slumbering they may not be slumbering
Perfect
I may not have slumbered you may not have slumbered he may not have slumbered we may not have slumbered you may not have slumbered they may not have slumbered
V-ing perfect
I may not have been slumbering you may not have been slumbering he may not have been slumbering we may not have been slumbering you may not have been slumbering they may not have been slumbering
Interrogative form
Simple form
may I slumber? may you slumber? may he slumber? may we slumber? may you slumber? may they slumber?
V-ing form
may I be slumbering? may you be slumbering? may he be slumbering? may we be slumbering? may you be slumbering? may they be slumbering?
Perfect
may I have slumbered? may you have slumbered? may he have slumbered? may we have slumbered? may you have slumbered? may they have slumbered?
V-ing perfect
may I have been slumbering? may you have been slumbering? may he have been slumbering? may we have been slumbering? may you have been slumbering? may they have been slumbering?
Interro-negative form
Simple form
may I not slumber? may you not slumber? may he not slumber? may we not slumber? may you not slumber? may they not slumber?
V-ing form
may I not be slumbering? may you not be slumbering? may he not be slumbering? may we not be slumbering? may you not be slumbering? may they not be slumbering?
Perfect
may I not have slumbered? may you not have slumbered? may he not have slumbered? may we not have slumbered? may you not have slumbered? may they not have slumbered?
V-ing perfect
may I not have been slumbering? may you not have been slumbering? may he not have been slumbering? may we not have been slumbering? may you not have been slumbering? may they not have been slumbering?