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