could engross
Verbo regular: engross - engrossed- engrossed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could engross
you could engross
he could engross
we could engross
you could engross
they could engross 	I could be engrossing
you could be engrossing
he could be engrossing
we could be engrossing
you could be engrossing
they could be engrossing	I could have engrossed
you could have engrossed
he could have engrossed
we could have engrossed
you could have engrossed
they could have engrossed	I could have been engrossing
you could have been engrossing
he could have been engrossing
we could have been engrossing
you could have been engrossing
they could have been engrossing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not engross
you could not engross
he could not engross
we could not engross
you could not engross
they could not engross 	I could not be engrossing
you could not be engrossing
he could not be engrossing
we could not be engrossing
you could not be engrossing
they could not be engrossing	I could not have engrossed
you could not have engrossed
he could not have engrossed
we could not have engrossed
you could not have engrossed
they could not have engrossed	I could not have been engrossing
you could not have been engrossing
he could not have been engrossing
we could not have been engrossing
you could not have been engrossing
they could not have been engrossing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I engross?
could you engross?
could he engross?
could we engross?
could you engross?
could they engross? 	could I be engrossing?
could you be engrossing?
could he be engrossing?
could we be engrossing?
could you be engrossing?
could they be engrossing? 	could I have engrossed?
could you have engrossed?
could he have engrossed?
could we have engrossed?
could you have engrossed?
could they have engrossed? 	could I have been engrossing?
could you have been engrossing?
could he have been engrossing?
could we have been engrossing?
could you have been engrossing?
could they have been engrossing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not engross?
could you not engross?
could he not engross?
could we not engross?
could you not engross?
could they not engross? 	could I not be engrossing?
could you not be engrossing?
could he not be engrossing?
could we not be engrossing?
could you not be engrossing?
could they not be engrossing? 	could I not have engrossed?
could you not have engrossed?
could he not have engrossed?
could we not have engrossed?
could you not have engrossed?
could they not have engrossed? 	could I not have been engrossing?
could you not have been engrossing?
could he not have been engrossing?
could we not have been engrossing?
could you not have been engrossing?
could they not have been engrossing?