I may skitter you may skitter he may skitter we may skitter you may skitter they may skitter
V-ing form
I may be skittering you may be skittering he may be skittering we may be skittering you may be skittering they may be skittering
Perfect
I may have skittered you may have skittered he may have skittered we may have skittered you may have skittered they may have skittered
V-ing perfect
I may have been skittering you may have been skittering he may have been skittering we may have been skittering you may have been skittering they may have been skittering
Negation
Simple form
I may not skitter you may not skitter he may not skitter we may not skitter you may not skitter they may not skitter
V-ing form
I may not be skittering you may not be skittering he may not be skittering we may not be skittering you may not be skittering they may not be skittering
Perfect
I may not have skittered you may not have skittered he may not have skittered we may not have skittered you may not have skittered they may not have skittered
V-ing perfect
I may not have been skittering you may not have been skittering he may not have been skittering we may not have been skittering you may not have been skittering they may not have been skittering
Interrogative form
Simple form
may I skitter? may you skitter? may he skitter? may we skitter? may you skitter? may they skitter?
V-ing form
may I be skittering? may you be skittering? may he be skittering? may we be skittering? may you be skittering? may they be skittering?
Perfect
may I have skittered? may you have skittered? may he have skittered? may we have skittered? may you have skittered? may they have skittered?
V-ing perfect
may I have been skittering? may you have been skittering? may he have been skittering? may we have been skittering? may you have been skittering? may they have been skittering?
Interro-negative form
Simple form
may I not skitter? may you not skitter? may he not skitter? may we not skitter? may you not skitter? may they not skitter?
V-ing form
may I not be skittering? may you not be skittering? may he not be skittering? may we not be skittering? may you not be skittering? may they not be skittering?
Perfect
may I not have skittered? may you not have skittered? may he not have skittered? may we not have skittered? may you not have skittered? may they not have skittered?
V-ing perfect
may I not have been skittering? may you not have been skittering? may he not have been skittering? may we not have been skittering? may you not have been skittering? may they not have been skittering?