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