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