I shall back you shall back she shall back we shall back you shall back they shall back
V-ing form
I shall be backing you shall be backing she shall be backing we shall be backing you shall be backing they shall be backing
Perfect
I shall have backed you shall have backed she shall have backed we shall have backed you shall have backed they shall have backed
V-ing perfect
I shall have been backing you shall have been backing she shall have been backing we shall have been backing you shall have been backing they shall have been backing
Negation
Simple form
I shall not back you shall not back she shall not back we shall not back you shall not back they shall not back
V-ing form
I shall not be backing you shall not be backing she shall not be backing we shall not be backing you shall not be backing they shall not be backing
Perfect
I shall not have backed you shall not have backed she shall not have backed we shall not have backed you shall not have backed they shall not have backed
V-ing perfect
I shall not have been backing you shall not have been backing she shall not have been backing we shall not have been backing you shall not have been backing they shall not have been backing
Interrogative form
Simple form
shall I back? shall you back? shall she back? shall we back? shall you back? shall they back?
V-ing form
shall I be backing? shall you be backing? shall she be backing? shall we be backing? shall you be backing? shall they be backing?
Perfect
shall I have backed? shall you have backed? shall she have backed? shall we have backed? shall you have backed? shall they have backed?
V-ing perfect
shall I have been backing? shall you have been backing? shall she have been backing? shall we have been backing? shall you have been backing? shall they have been backing?
Interro-negative form
Simple form
shall I not back? shall you not back? shall she not back? shall we not back? shall you not back? shall they not back?
V-ing form
shall I not be backing? shall you not be backing? shall she not be backing? shall we not be backing? shall you not be backing? shall they not be backing?
Perfect
shall I not have backed? shall you not have backed? shall she not have backed? shall we not have backed? shall you not have backed? shall they not have backed?
V-ing perfect
shall I not have been backing? shall you not have been backing? shall she not have been backing? shall we not have been backing? shall you not have been backing? shall they not have been backing?