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