I might alter you might alter he might alter we might alter you might alter they might alter
V-ing form
I might be altering you might be altering he might be altering we might be altering you might be altering they might be altering
Perfect
I might have altered you might have altered he might have altered we might have altered you might have altered they might have altered
V-ing perfect
I might have been altering you might have been altering he might have been altering we might have been altering you might have been altering they might have been altering
Negation
Simple form
I might not alter you might not alter he might not alter we might not alter you might not alter they might not alter
V-ing form
I might not be altering you might not be altering he might not be altering we might not be altering you might not be altering they might not be altering
Perfect
I might not have altered you might not have altered he might not have altered we might not have altered you might not have altered they might not have altered
V-ing perfect
I might not have been altering you might not have been altering he might not have been altering we might not have been altering you might not have been altering they might not have been altering
Interrogative form
Simple form
might I alter? might you alter? might he alter? might we alter? might you alter? might they alter?
V-ing form
might I be altering? might you be altering? might he be altering? might we be altering? might you be altering? might they be altering?
Perfect
might I have altered? might you have altered? might he have altered? might we have altered? might you have altered? might they have altered?
V-ing perfect
might I have been altering? might you have been altering? might he have been altering? might we have been altering? might you have been altering? might they have been altering?
Interro-negative form
Simple form
might I not alter? might you not alter? might he not alter? might we not alter? might you not alter? might they not alter?
V-ing form
might I not be altering? might you not be altering? might he not be altering? might we not be altering? might you not be altering? might they not be altering?
Perfect
might I not have altered? might you not have altered? might he not have altered? might we not have altered? might you not have altered? might they not have altered?
V-ing perfect
might I not have been altering? might you not have been altering? might he not have been altering? might we not have been altering? might you not have been altering? might they not have been altering?