I may burp you may burp she may burp we may burp you may burp they may burp
V-ing form
I may be burping you may be burping she may be burping we may be burping you may be burping they may be burping
Perfect
I may have burped you may have burped she may have burped we may have burped you may have burped they may have burped
V-ing perfect
I may have been burping you may have been burping she may have been burping we may have been burping you may have been burping they may have been burping
Negation
Simple form
I mayn't burp you mayn't burp she mayn't burp we mayn't burp you mayn't burp they mayn't burp
V-ing form
I mayn't be burping you mayn't be burping she mayn't be burping we mayn't be burping you mayn't be burping they mayn't be burping
Perfect
I mayn't have burped you mayn't have burped she mayn't have burped we mayn't have burped you mayn't have burped they mayn't have burped
V-ing perfect
I mayn't have been burping you mayn't have been burping she mayn't have been burping we mayn't have been burping you mayn't have been burping they mayn't have been burping
Interrogative form
Simple form
may I burp? may you burp? may she burp? may we burp? may you burp? may they burp?
V-ing form
may I be burping? may you be burping? may she be burping? may we be burping? may you be burping? may they be burping?
Perfect
may I have burped? may you have burped? may she have burped? may we have burped? may you have burped? may they have burped?
V-ing perfect
may I have been burping? may you have been burping? may she have been burping? may we have been burping? may you have been burping? may they have been burping?
Interro-negative form
Simple form
mayn't I burp? mayn't you burp? mayn't she burp? mayn't we burp? mayn't you burp? mayn't they burp?
V-ing form
mayn't I be burping? mayn't you be burping? mayn't she be burping? mayn't we be burping? mayn't you be burping? mayn't they be burping?
Perfect
mayn't I have burped? mayn't you have burped? mayn't she have burped? mayn't we have burped? mayn't you have burped? mayn't they have burped?
V-ing perfect
mayn't I have been burping? mayn't you have been burping? mayn't she have been burping? mayn't we have been burping? mayn't you have been burping? mayn't they have been burping?