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