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