I'll alter you'll alter he'll alter we'll alter you'll alter they'll alter
V-ing form
I'll be altering you'll be altering he'll be altering we'll be altering you'll be altering they'll be altering
Perfect
I'll have altered you'll have altered he'll have altered we'll have altered you'll have altered they'll have altered
V-ing perfect
I'll have been altering you'll have been altering he'll have been altering we'll have been altering you'll have been altering they'll have been altering
Negation
Simple form
I won't alter you won't alter he won't alter we won't alter you won't alter they won't alter
V-ing form
I won't be altering you won't be altering he won't be altering we won't be altering you won't be altering they won't be altering
Perfect
I won't have altered you won't have altered he won't have altered we won't have altered you won't have altered they won't have altered
V-ing perfect
I won't have been altering you won't have been altering he won't have been altering we won't have been altering you won't have been altering they won't have been altering
Interrogative form
Simple form
will I alter? will you alter? will he alter? will we alter? will you alter? will they alter?
V-ing form
will I be altering? will you be altering? will he be altering? will we be altering? will you be altering? will they be altering?
Perfect
will I have altered? will you have altered? will he have altered? will we have altered? will you have altered? will they have altered?
V-ing perfect
will I have been altering? will you have been altering? will he have been altering? will we have been altering? will you have been altering? will they have been altering?
Interro-negative form
Simple form
won't I alter? won't you alter? won't he alter? won't we alter? won't you alter? won't they alter?
V-ing form
won't I be altering? won't you be altering? won't he be altering? won't we be altering? won't you be altering? won't they be altering?
Perfect
won't I have altered? won't you have altered? won't he have altered? won't we have altered? won't you have altered? won't they have altered?
V-ing perfect
won't I have been altering? won't you have been altering? won't he have been altering? won't we have been altering? won't you have been altering? won't they have been altering?