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