I may choke you may choke she may choke we may choke you may choke they may choke
V-ing form
I may be choking you may be choking she may be choking we may be choking you may be choking they may be choking
Perfect
I may have choked you may have choked she may have choked we may have choked you may have choked they may have choked
V-ing perfect
I may have been choking you may have been choking she may have been choking we may have been choking you may have been choking they may have been choking
Negation
Simple form
I mayn't choke you mayn't choke she mayn't choke we mayn't choke you mayn't choke they mayn't choke
V-ing form
I mayn't be choking you mayn't be choking she mayn't be choking we mayn't be choking you mayn't be choking they mayn't be choking
Perfect
I mayn't have choked you mayn't have choked she mayn't have choked we mayn't have choked you mayn't have choked they mayn't have choked
V-ing perfect
I mayn't have been choking you mayn't have been choking she mayn't have been choking we mayn't have been choking you mayn't have been choking they mayn't have been choking
Interrogative form
Simple form
may I choke? may you choke? may she choke? may we choke? may you choke? may they choke?
V-ing form
may I be choking? may you be choking? may she be choking? may we be choking? may you be choking? may they be choking?
Perfect
may I have choked? may you have choked? may she have choked? may we have choked? may you have choked? may they have choked?
V-ing perfect
may I have been choking? may you have been choking? may she have been choking? may we have been choking? may you have been choking? may they have been choking?
Interro-negative form
Simple form
mayn't I choke? mayn't you choke? mayn't she choke? mayn't we choke? mayn't you choke? mayn't they choke?
V-ing form
mayn't I be choking? mayn't you be choking? mayn't she be choking? mayn't we be choking? mayn't you be choking? mayn't they be choking?
Perfect
mayn't I have choked? mayn't you have choked? mayn't she have choked? mayn't we have choked? mayn't you have choked? mayn't they have choked?
V-ing perfect
mayn't I have been choking? mayn't you have been choking? mayn't she have been choking? mayn't we have been choking? mayn't you have been choking? mayn't they have been choking?