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