I can engulf you can engulf he can engulf we can engulf you can engulf they can engulf
Forme en V-ing
I can be engulfing you can be engulfing he can be engulfing we can be engulfing you can be engulfing they can be engulfing
Perfect
I can have engulfed you can have engulfed he can have engulfed we can have engulfed you can have engulfed they can have engulfed
Perfect en V-ing
I can have been engulfing you can have been engulfing he can have been engulfing we can have been engulfing you can have been engulfing they can have been engulfing
Négation
Forme simple
I cannot engulf you cannot engulf he cannot engulf we cannot engulf you cannot engulf they cannot engulf
Forme en V-ing
I cannot be engulfing you cannot be engulfing he cannot be engulfing we cannot be engulfing you cannot be engulfing they cannot be engulfing
Perfect
I cannot have engulfed you cannot have engulfed he cannot have engulfed we cannot have engulfed you cannot have engulfed they cannot have engulfed
Perfect en V-ing
I cannot have been engulfing you cannot have been engulfing he cannot have been engulfing we cannot have been engulfing you cannot have been engulfing they cannot have been engulfing
Forme interrogative
Forme simple
can I engulf? can you engulf? can he engulf? can we engulf? can you engulf? can they engulf?
Forme en V-ing
can I be engulfing? can you be engulfing? can he be engulfing? can we be engulfing? can you be engulfing? can they be engulfing?
Perfect
can I have engulfed? can you have engulfed? can he have engulfed? can we have engulfed? can you have engulfed? can they have engulfed?
Perfect en V-ing
can I have been engulfing? can you have been engulfing? can he have been engulfing? can we have been engulfing? can you have been engulfing? can they have been engulfing?
Forme interro-négative
Forme simple
can I not engulf? can you not engulf? can he not engulf? can we not engulf? can you not engulf? can they not engulf?
Forme en V-ing
can I not be engulfing? can you not be engulfing? can he not be engulfing? can we not be engulfing? can you not be engulfing? can they not be engulfing?
Perfect
can I not have engulfed? can you not have engulfed? can he not have engulfed? can we not have engulfed? can you not have engulfed? can they not have engulfed?
Perfect en V-ing
can I not have been engulfing? can you not have been engulfing? can he not have been engulfing? can we not have been engulfing? can you not have been engulfing? can they not have been engulfing?