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