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