I shall fester you shall fester he shall fester we shall fester you shall fester they shall fester
V-ing form
I shall be festering you shall be festering he shall be festering we shall be festering you shall be festering they shall be festering
Perfect
I shall have festered you shall have festered he shall have festered we shall have festered you shall have festered they shall have festered
V-ing perfect
I shall have been festering you shall have been festering he shall have been festering we shall have been festering you shall have been festering they shall have been festering
Negation
Simple form
I shall not fester you shall not fester he shall not fester we shall not fester you shall not fester they shall not fester
V-ing form
I shall not be festering you shall not be festering he shall not be festering we shall not be festering you shall not be festering they shall not be festering
Perfect
I shall not have festered you shall not have festered he shall not have festered we shall not have festered you shall not have festered they shall not have festered
V-ing perfect
I shall not have been festering you shall not have been festering he shall not have been festering we shall not have been festering you shall not have been festering they shall not have been festering
Interrogative form
Simple form
shall I fester? shall you fester? shall he fester? shall we fester? shall you fester? shall they fester?
V-ing form
shall I be festering? shall you be festering? shall he be festering? shall we be festering? shall you be festering? shall they be festering?
Perfect
shall I have festered? shall you have festered? shall he have festered? shall we have festered? shall you have festered? shall they have festered?
V-ing perfect
shall I have been festering? shall you have been festering? shall he have been festering? shall we have been festering? shall you have been festering? shall they have been festering?
Interro-negative form
Simple form
shall I not fester? shall you not fester? shall he not fester? shall we not fester? shall you not fester? shall they not fester?
V-ing form
shall I not be festering? shall you not be festering? shall he not be festering? shall we not be festering? shall you not be festering? shall they not be festering?
Perfect
shall I not have festered? shall you not have festered? shall he not have festered? shall we not have festered? shall you not have festered? shall they not have festered?
V-ing perfect
shall I not have been festering? shall you not have been festering? shall he not have been festering? shall we not have been festering? shall you not have been festering? shall they not have been festering?