could sacrifice
Verbo regular: sacrifice - sacrificed- sacrificed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could sacrifice
you could sacrifice
he could sacrifice
we could sacrifice
you could sacrifice
they could sacrifice 	I could be sacrificing
you could be sacrificing
he could be sacrificing
we could be sacrificing
you could be sacrificing
they could be sacrificing	I could have sacrificed
you could have sacrificed
he could have sacrificed
we could have sacrificed
you could have sacrificed
they could have sacrificed	I could have been sacrificing
you could have been sacrificing
he could have been sacrificing
we could have been sacrificing
you could have been sacrificing
they could have been sacrificing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't sacrifice
you couldn't sacrifice
he couldn't sacrifice
we couldn't sacrifice
you couldn't sacrifice
they couldn't sacrifice 	I couldn't be sacrificing
you couldn't be sacrificing
he couldn't be sacrificing
we couldn't be sacrificing
you couldn't be sacrificing
they couldn't be sacrificing	I couldn't have sacrificed
you couldn't have sacrificed
he couldn't have sacrificed
we couldn't have sacrificed
you couldn't have sacrificed
they couldn't have sacrificed	I couldn't have been sacrificing
you couldn't have been sacrificing
he couldn't have been sacrificing
we couldn't have been sacrificing
you couldn't have been sacrificing
they couldn't have been sacrificing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I sacrifice?
could you sacrifice?
could he sacrifice?
could we sacrifice?
could you sacrifice?
could they sacrifice? 	could I be sacrificing?
could you be sacrificing?
could he be sacrificing?
could we be sacrificing?
could you be sacrificing?
could they be sacrificing? 	could I have sacrificed?
could you have sacrificed?
could he have sacrificed?
could we have sacrificed?
could you have sacrificed?
could they have sacrificed? 	could I have been sacrificing?
could you have been sacrificing?
could he have been sacrificing?
could we have been sacrificing?
could you have been sacrificing?
could they have been sacrificing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I sacrifice?
couldn't you sacrifice?
couldn't he sacrifice?
couldn't we sacrifice?
couldn't you sacrifice?
couldn't they sacrifice? 	couldn't I be sacrificing?
couldn't you be sacrificing?
couldn't he be sacrificing?
couldn't we be sacrificing?
couldn't you be sacrificing?
couldn't they be sacrificing? 	couldn't I have sacrificed?
couldn't you have sacrificed?
couldn't he have sacrificed?
couldn't we have sacrificed?
couldn't you have sacrificed?
couldn't they have sacrificed? 	couldn't I have been sacrificing?
couldn't you have been sacrificing?
couldn't he have been sacrificing?
couldn't we have been sacrificing?
couldn't you have been sacrificing?
couldn't they have been sacrificing?