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