I'll be subtracting you'll be subtracting he'll be subtracting we'll be subtracting you'll be subtracting they'll be subtracting
Perfect
I'll have subtracted you'll have subtracted he'll have subtracted we'll have subtracted you'll have subtracted they'll have subtracted
V-ing perfect
I'll have been subtracting you'll have been subtracting he'll have been subtracting we'll have been subtracting you'll have been subtracting they'll have been subtracting
Negation
Simple form
I shan't subtract you shan't subtract he shan't subtract we shan't subtract you shan't subtract they shan't subtract
V-ing form
I shan't be subtracting you shan't be subtracting he shan't be subtracting we shan't be subtracting you shan't be subtracting they shan't be subtracting
Perfect
I shan't have subtracted you shan't have subtracted he shan't have subtracted we shan't have subtracted you shan't have subtracted they shan't have subtracted
V-ing perfect
I shan't have been subtracting you shan't have been subtracting he shan't have been subtracting we shan't have been subtracting you shan't have been subtracting they shan't have been subtracting
Interrogative form
Simple form
shall I subtract? shall you subtract? shall he subtract? shall we subtract? shall you subtract? shall they subtract?
V-ing form
shall I be subtracting? shall you be subtracting? shall he be subtracting? shall we be subtracting? shall you be subtracting? shall they be subtracting?
Perfect
shall I have subtracted? shall you have subtracted? shall he have subtracted? shall we have subtracted? shall you have subtracted? shall they have subtracted?
V-ing perfect
shall I have been subtracting? shall you have been subtracting? shall he have been subtracting? shall we have been subtracting? shall you have been subtracting? shall they have been subtracting?
Interro-negative form
Simple form
shan't I subtract? shan't you subtract? shan't he subtract? shan't we subtract? shan't you subtract? shan't they subtract?
V-ing form
shan't I be subtracting? shan't you be subtracting? shan't he be subtracting? shan't we be subtracting? shan't you be subtracting? shan't they be subtracting?
Perfect
shan't I have subtracted? shan't you have subtracted? shan't he have subtracted? shan't we have subtracted? shan't you have subtracted? shan't they have subtracted?
V-ing perfect
shan't I have been subtracting? shan't you have been subtracting? shan't he have been subtracting? shan't we have been subtracting? shan't you have been subtracting? shan't they have been subtracting?