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