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