I must engulf you must engulf he must engulf we must engulf you must engulf they must engulf
Forma com V-ing
I must be engulfing you must be engulfing he must be engulfing we must be engulfing you must be engulfing they must be engulfing
Perfeito
I must have engulfed you must have engulfed he must have engulfed we must have engulfed you must have engulfed they must have engulfed
Perfeito com V-ing
I must have been engulfing you must have been engulfing he must have been engulfing we must have been engulfing you must have been engulfing they must have been engulfing
Negação
Forma simple
I mustn't engulf you mustn't engulf he mustn't engulf we mustn't engulf you mustn't engulf they mustn't engulf
Forma com V-ing
I mustn't be engulfing you mustn't be engulfing he mustn't be engulfing we mustn't be engulfing you mustn't be engulfing they mustn't be engulfing
Perfeito
I mustn't have engulfed you mustn't have engulfed he mustn't have engulfed we mustn't have engulfed you mustn't have engulfed they mustn't have engulfed
Perfeito com V-ing
I mustn't have been engulfing you mustn't have been engulfing he mustn't have been engulfing we mustn't have been engulfing you mustn't have been engulfing they mustn't have been engulfing
Forma interrogativa
Forma simple
must I engulf? must you engulf? must he engulf? must we engulf? must you engulf? must they engulf?
Forma com V-ing
must I be engulfing? must you be engulfing? must he be engulfing? must we be engulfing? must you be engulfing? must they be engulfing?
Perfeito
must I have engulfed? must you have engulfed? must he have engulfed? must we have engulfed? must you have engulfed? must they have engulfed?
Perfeito com V-ing
must I have been engulfing? must you have been engulfing? must he have been engulfing? must we have been engulfing? must you have been engulfing? must they have been engulfing?
Forma interro-Negação
Forma simple
mustn't I engulf? mustn't you engulf? mustn't he engulf? mustn't we engulf? mustn't you engulf? mustn't they engulf?
Forma com V-ing
mustn't I be engulfing? mustn't you be engulfing? mustn't he be engulfing? mustn't we be engulfing? mustn't you be engulfing? mustn't they be engulfing?
Perfeito
mustn't I have engulfed? mustn't you have engulfed? mustn't he have engulfed? mustn't we have engulfed? mustn't you have engulfed? mustn't they have engulfed?
Perfeito com V-ing
mustn't I have been engulfing? mustn't you have been engulfing? mustn't he have been engulfing? mustn't we have been engulfing? mustn't you have been engulfing? mustn't they have been engulfing?