could engross
Verbo regular: engross - engrossed- engrossed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could engross
you could engross
she could engross
we could engross
you could engross
they could engross 	I could be engrossing
you could be engrossing
she could be engrossing
we could be engrossing
you could be engrossing
they could be engrossing	I could have engrossed
you could have engrossed
she 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
she could have been engrossing
we could have been engrossing
you could have been engrossing
they could have been engrossing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not engross
you could not engross
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
could I engross?
could you engross?
could she engross?
could we engross?
could you engross?
could they engross? 	could I be engrossing?
could you be engrossing?
could she be engrossing?
could we be engrossing?
could you be engrossing?
could they be engrossing? 	could I have engrossed?
could you have engrossed?
could she 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 she have been engrossing?
could we have been engrossing?
could you have been engrossing?
could they have been engrossing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not engross?
could you not engross?
could she 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 she 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 she 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 she not have been engrossing?
could we not have been engrossing?
could you not have been engrossing?
could they not have been engrossing?