Regular verb: alter alter - alter altered - alter altered
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may alter alter you may alter alter he may alter alter we may alter alter you may alter alter they may alter alter
V-ing form
I may be alter altering you may be alter altering he may be alter altering we may be alter altering you may be alter altering they may be alter altering
Perfect
I may have alter altered you may have alter altered he may have alter altered we may have alter altered you may have alter altered they may have alter altered
V-ing perfect
I may have been alter altering you may have been alter altering he may have been alter altering we may have been alter altering you may have been alter altering they may have been alter altering
Negation
Simple form
I may not alter alter you may not alter alter he may not alter alter we may not alter alter you may not alter alter they may not alter alter
V-ing form
I may not be alter altering you may not be alter altering he may not be alter altering we may not be alter altering you may not be alter altering they may not be alter altering
Perfect
I may not have alter altered you may not have alter altered he may not have alter altered we may not have alter altered you may not have alter altered they may not have alter altered
V-ing perfect
I may not have been alter altering you may not have been alter altering he may not have been alter altering we may not have been alter altering you may not have been alter altering they may not have been alter altering
Interrogative form
Simple form
may I alter alter? may you alter alter? may he alter alter? may we alter alter? may you alter alter? may they alter alter?
V-ing form
may I be alter altering? may you be alter altering? may he be alter altering? may we be alter altering? may you be alter altering? may they be alter altering?
Perfect
may I have alter altered? may you have alter altered? may he have alter altered? may we have alter altered? may you have alter altered? may they have alter altered?
V-ing perfect
may I have been alter altering? may you have been alter altering? may he have been alter altering? may we have been alter altering? may you have been alter altering? may they have been alter altering?
Interro-negative form
Simple form
may I not alter alter? may you not alter alter? may he not alter alter? may we not alter alter? may you not alter alter? may they not alter alter?
V-ing form
may I not be alter altering? may you not be alter altering? may he not be alter altering? may we not be alter altering? may you not be alter altering? may they not be alter altering?
Perfect
may I not have alter altered? may you not have alter altered? may he not have alter altered? may we not have alter altered? may you not have alter altered? may they not have alter altered?
V-ing perfect
may I not have been alter altering? may you not have been alter altering? may he not have been alter altering? may we not have been alter altering? may you not have been alter altering? may they not have been alter altering?