I can sacrifice you can sacrifice she can sacrifice we can sacrifice you can sacrifice they can sacrifice
V-ing form
I can be sacrificing you can be sacrificing she can be sacrificing we can be sacrificing you can be sacrificing they can be sacrificing
Perfect
I can have sacrificed you can have sacrificed she can have sacrificed we can have sacrificed you can have sacrificed they can have sacrificed
V-ing perfect
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
I cannot sacrifice you cannot sacrifice she cannot sacrifice we cannot sacrifice you cannot sacrifice they cannot sacrifice
V-ing form
I cannot be sacrificing you cannot be sacrificing she cannot be sacrificing we cannot be sacrificing you cannot be sacrificing they cannot be sacrificing
Perfect
I cannot have sacrificed you cannot have sacrificed she cannot have sacrificed we cannot have sacrificed you cannot have sacrificed they cannot have sacrificed
V-ing perfect
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
can I sacrifice? can you sacrifice? can she sacrifice? can we sacrifice? can you sacrifice? can they sacrifice?
V-ing form
can I be sacrificing? can you be sacrificing? can she be sacrificing? can we be sacrificing? can you be sacrificing? can they be sacrificing?
Perfect
can I have sacrificed? can you have sacrificed? can she have sacrificed? can we have sacrificed? can you have sacrificed? can they have sacrificed?
V-ing perfect
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
can I not sacrifice? can you not sacrifice? can she not sacrifice? can we not sacrifice? can you not sacrifice? can they not sacrifice?
V-ing form
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?
Perfect
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?
V-ing perfect
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?