English verb conjugation
SHALL ALTER

Regular verb: alter - altered - altered

Affirmation

Simple form	V-ing form
I'll alter you'll alter she'll alter we'll alter you'll alter they'll alter	I'll be altering you'll be altering she'll be altering we'll be altering you'll be altering they'll be altering
Perfect	V-ing perfect
I'll have altered you'll have altered she'll have altered we'll have altered you'll have altered they'll have altered	I'll have been altering you'll have been altering she'll have been altering we'll have been altering you'll have been altering they'll have been altering

Negation

Simple form	V-ing form
I shan't alter you shan't alter she shan't alter we shan't alter you shan't alter they shan't alter	I shan't be altering you shan't be altering she shan't be altering we shan't be altering you shan't be altering they shan't be altering
Perfect	V-ing perfect
I shan't have altered you shan't have altered she shan't have altered we shan't have altered you shan't have altered they shan't have altered	I shan't have been altering you shan't have been altering she shan't have been altering we shan't have been altering you shan't have been altering they shan't have been altering

Interrogative form

Simple form	V-ing form
shall I alter? shall you alter? shall she alter? shall we alter? shall you alter? shall they alter?	shall I be altering? shall you be altering? shall she be altering? shall we be altering? shall you be altering? shall they be altering?
Perfect	V-ing perfect
shall I have altered? shall you have altered? shall she have altered? shall we have altered? shall you have altered? shall they have altered?	shall I have been altering? shall you have been altering? shall she have been altering? shall we have been altering? shall you have been altering? shall they have been altering?

Interro-negative form

Simple form	V-ing form
shan't I alter? shan't you alter? shan't she alter? shan't we alter? shan't you alter? shan't they alter?	shan't I be altering? shan't you be altering? shan't she be altering? shan't we be altering? shan't you be altering? shan't they be altering?
Perfect	V-ing perfect
shan't I have altered? shan't you have altered? shan't she have altered? shan't we have altered? shan't you have altered? shan't they have altered?	shan't I have been altering? shan't you have been altering? shan't she have been altering? shan't we have been altering? shan't you have been altering? shan't they have been altering?