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