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