might alter
Regular verb: alter - altered- altered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might alter
you might alter
he might alter
we might alter
you might alter
they might alter 	I might be altering
you might be altering
he might be altering
we might be altering
you might be altering
they might be altering	I might have altered
you might have altered
he might have altered
we might have altered
you might have altered
they might have altered	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 	V-ing form 	Perfect 	V-ing perfect 	
I might not alter
you might not alter
he might not alter
we might not alter
you might not alter
they might not alter 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
might I alter?
might you alter?
might he alter?
might we alter?
might you alter?
might they alter? 	might I be altering?
might you be altering?
might he be altering?
might we be altering?
might you be altering?
might they be altering? 	might I have altered?
might you have altered?
might he have altered?
might we have altered?
might you have altered?
might they have altered? 	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 	V-ing form 	Perfect 	V-ing perfect 	
might I not alter?
might you not alter?
might he not alter?
might we not alter?
might you not alter?
might they not alter? 	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? 	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? 	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?