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