I may matter you may matter he may matter we may matter you may matter they may matter
V-ing form
I may be mattering you may be mattering he may be mattering we may be mattering you may be mattering they may be mattering
Perfect
I may have mattered you may have mattered he 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 he 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 he 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 he 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 he 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 he 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 he matter? may we matter? may you matter? may they matter?
V-ing form
may I be mattering? may you be mattering? may he be mattering? may we be mattering? may you be mattering? may they be mattering?
Perfect
may I have mattered? may you have mattered? may he 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 he 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 he 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 he 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 he 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 he have been mattering? mayn't we have been mattering? mayn't you have been mattering? mayn't they have been mattering?