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