could engulf
Verbo regular: engulf - engulfed- engulfed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could engulf
you could engulf
he could engulf
we could engulf
you could engulf
they could engulf 	I could be engulfing
you could be engulfing
he could be engulfing
we could be engulfing
you could be engulfing
they could be engulfing	I could have engulfed
you could have engulfed
he could have engulfed
we could have engulfed
you could have engulfed
they could have engulfed	I could have been engulfing
you could have been engulfing
he could have been engulfing
we could have been engulfing
you could have been engulfing
they could have been engulfing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not engulf
you could not engulf
he could not engulf
we could not engulf
you could not engulf
they could not engulf 	I could not be engulfing
you could not be engulfing
he could not be engulfing
we could not be engulfing
you could not be engulfing
they could not be engulfing	I could not have engulfed
you could not have engulfed
he could not have engulfed
we could not have engulfed
you could not have engulfed
they could not have engulfed	I could not have been engulfing
you could not have been engulfing
he could not have been engulfing
we could not have been engulfing
you could not have been engulfing
they could not have been engulfing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I engulf?
could you engulf?
could he engulf?
could we engulf?
could you engulf?
could they engulf? 	could I be engulfing?
could you be engulfing?
could he be engulfing?
could we be engulfing?
could you be engulfing?
could they be engulfing? 	could I have engulfed?
could you have engulfed?
could he have engulfed?
could we have engulfed?
could you have engulfed?
could they have engulfed? 	could I have been engulfing?
could you have been engulfing?
could he have been engulfing?
could we have been engulfing?
could you have been engulfing?
could they have been engulfing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not engulf?
could you not engulf?
could he not engulf?
could we not engulf?
could you not engulf?
could they not engulf? 	could I not be engulfing?
could you not be engulfing?
could he not be engulfing?
could we not be engulfing?
could you not be engulfing?
could they not be engulfing? 	could I not have engulfed?
could you not have engulfed?
could he not have engulfed?
could we not have engulfed?
could you not have engulfed?
could they not have engulfed? 	could I not have been engulfing?
could you not have been engulfing?
could he not have been engulfing?
could we not have been engulfing?
could you not have been engulfing?
could they not have been engulfing?