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