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 may not matter you may not matter he may not matter we may not matter you may not matter they may not matter
V-ing form
I may not be mattering you may not be mattering he may not be mattering we may not be mattering you may not be mattering they may not be mattering
Perfect
I may not have mattered you may not have mattered he may not have mattered we may not have mattered you may not have mattered they may not have mattered
V-ing perfect
I may not have been mattering you may not have been mattering he may not have been mattering we may not have been mattering you may not have been mattering they may not 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
may I not matter? may you not matter? may he not matter? may we not matter? may you not matter? may they not matter?
V-ing form
may I not be mattering? may you not be mattering? may he not be mattering? may we not be mattering? may you not be mattering? may they not be mattering?
Perfect
may I not have mattered? may you not have mattered? may he not have mattered? may we not have mattered? may you not have mattered? may they not have mattered?
V-ing perfect
may I not have been mattering? may you not have been mattering? may he not have been mattering? may we not have been mattering? may you not have been mattering? may they not have been mattering?