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