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