can sacrifice
Regular verb: sacrifice - sacrificed- sacrificed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sacrifice
you can sacrifice
she can sacrifice
we can sacrifice
you can sacrifice
they can sacrifice 	I can be sacrificing
you can be sacrificing
she can be sacrificing
we can be sacrificing
you can be sacrificing
they can be sacrificing	I can have sacrificed
you can have sacrificed
she can have sacrificed
we can have sacrificed
you can have sacrificed
they can have sacrificed	I can have been sacrificing
you can have been sacrificing
she can have been sacrificing
we can have been sacrificing
you can have been sacrificing
they can have been sacrificing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot sacrifice
you cannot sacrifice
she cannot sacrifice
we cannot sacrifice
you cannot sacrifice
they cannot sacrifice 	I cannot be sacrificing
you cannot be sacrificing
she cannot be sacrificing
we cannot be sacrificing
you cannot be sacrificing
they cannot be sacrificing	I cannot have sacrificed
you cannot have sacrificed
she cannot have sacrificed
we cannot have sacrificed
you cannot have sacrificed
they cannot have sacrificed	I cannot have been sacrificing
you cannot have been sacrificing
she cannot have been sacrificing
we cannot have been sacrificing
you cannot have been sacrificing
they cannot have been sacrificing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I sacrifice?
can you sacrifice?
can she sacrifice?
can we sacrifice?
can you sacrifice?
can they sacrifice? 	can I be sacrificing?
can you be sacrificing?
can she be sacrificing?
can we be sacrificing?
can you be sacrificing?
can they be sacrificing? 	can I have sacrificed?
can you have sacrificed?
can she have sacrificed?
can we have sacrificed?
can you have sacrificed?
can they have sacrificed? 	can I have been sacrificing?
can you have been sacrificing?
can she have been sacrificing?
can we have been sacrificing?
can you have been sacrificing?
can they have been sacrificing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not sacrifice?
can you not sacrifice?
can she not sacrifice?
can we not sacrifice?
can you not sacrifice?
can they not sacrifice? 	can I not be sacrificing?
can you not be sacrificing?
can she not be sacrificing?
can we not be sacrificing?
can you not be sacrificing?
can they not be sacrificing? 	can I not have sacrificed?
can you not have sacrificed?
can she not have sacrificed?
can we not have sacrificed?
can you not have sacrificed?
can they not have sacrificed? 	can I not have been sacrificing?
can you not have been sacrificing?
can she not have been sacrificing?
can we not have been sacrificing?
can you not have been sacrificing?
can they not have been sacrificing?