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