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