English verb conjugation
CAN ENGULF

Regular verb: engulf - engulfed - engulfed

Affirmation

Simple form	V-ing form
I can engulf you can engulf he can engulf we can engulf you can engulf they can engulf	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	V-ing 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	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

Negation

Simple form	V-ing form
I can't engulf you can't engulf he can't engulf we can't engulf you can't engulf they can't engulf	I can't be engulfing you can't be engulfing he can't be engulfing we can't be engulfing you can't be engulfing they can't be engulfing
Perfect	V-ing perfect
I can't have engulfed you can't have engulfed he can't have engulfed we can't have engulfed you can't have engulfed they can't have engulfed	I can't have been engulfing you can't have been engulfing he can't have been engulfing we can't have been engulfing you can't have been engulfing they can't have been engulfing

Interrogative form

Simple form	V-ing form
can I engulf? can you engulf? can he engulf? can we engulf? can you engulf? can they engulf?	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	V-ing 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?	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?

Interro-negative form

Simple form	V-ing form
can't I engulf? can't you engulf? can't he engulf? can't we engulf? can't you engulf? can't they engulf?	can't I be engulfing? can't you be engulfing? can't he be engulfing? can't we be engulfing? can't you be engulfing? can't they be engulfing?
Perfect	V-ing perfect
can't I have engulfed? can't you have engulfed? can't he have engulfed? can't we have engulfed? can't you have engulfed? can't they have engulfed?	can't I have been engulfing? can't you have been engulfing? can't he have been engulfing? can't we have been engulfing? can't you have been engulfing? can't they have been engulfing?