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