I may slither you may slither he may slither we may slither you may slither they may slither
V-ing form
I may be slithering you may be slithering he may be slithering we may be slithering you may be slithering they may be slithering
Perfect
I may have slithered you may have slithered he may have slithered we may have slithered you may have slithered they may have slithered
V-ing perfect
I may have been slithering you may have been slithering he may have been slithering we may have been slithering you may have been slithering they may have been slithering
Negation
Simple form
I mayn't slither you mayn't slither he mayn't slither we mayn't slither you mayn't slither they mayn't slither
V-ing form
I mayn't be slithering you mayn't be slithering he mayn't be slithering we mayn't be slithering you mayn't be slithering they mayn't be slithering
Perfect
I mayn't have slithered you mayn't have slithered he mayn't have slithered we mayn't have slithered you mayn't have slithered they mayn't have slithered
V-ing perfect
I mayn't have been slithering you mayn't have been slithering he mayn't have been slithering we mayn't have been slithering you mayn't have been slithering they mayn't have been slithering
Interrogative form
Simple form
may I slither? may you slither? may he slither? may we slither? may you slither? may they slither?
V-ing form
may I be slithering? may you be slithering? may he be slithering? may we be slithering? may you be slithering? may they be slithering?
Perfect
may I have slithered? may you have slithered? may he have slithered? may we have slithered? may you have slithered? may they have slithered?
V-ing perfect
may I have been slithering? may you have been slithering? may he have been slithering? may we have been slithering? may you have been slithering? may they have been slithering?
Interro-negative form
Simple form
mayn't I slither? mayn't you slither? mayn't he slither? mayn't we slither? mayn't you slither? mayn't they slither?
V-ing form
mayn't I be slithering? mayn't you be slithering? mayn't he be slithering? mayn't we be slithering? mayn't you be slithering? mayn't they be slithering?
Perfect
mayn't I have slithered? mayn't you have slithered? mayn't he have slithered? mayn't we have slithered? mayn't you have slithered? mayn't they have slithered?
V-ing perfect
mayn't I have been slithering? mayn't you have been slithering? mayn't he have been slithering? mayn't we have been slithering? mayn't you have been slithering? mayn't they have been slithering?