I may aver you may aver he may aver we may aver you may aver they may aver
V-ing form
I may be averring you may be averring he may be averring we may be averring you may be averring they may be averring
Perfect
I may have averred you may have averred he 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 he 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 he 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 he 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 he 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 he 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 he aver? may we aver? may you aver? may they aver?
V-ing form
may I be averring? may you be averring? may he be averring? may we be averring? may you be averring? may they be averring?
Perfect
may I have averred? may you have averred? may he 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 he 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 he 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 he 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 he 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 he have been averring? mayn't we have been averring? mayn't you have been averring? mayn't they have been averring?