I can sacrifice you can sacrifice he can sacrifice we can sacrifice you can sacrifice they can sacrifice
V-ing form
I can be sacrificing you can be sacrificing he can be sacrificing we can be sacrificing you can be sacrificing they can be sacrificing
Perfect
I can have sacrificed you can have sacrificed he 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 he can have been sacrificing we can have been sacrificing you can have been sacrificing they can have been sacrificing
Negation
Simple form
I can't sacrifice you can't sacrifice he can't sacrifice we can't sacrifice you can't sacrifice they can't sacrifice
V-ing form
I can't be sacrificing you can't be sacrificing he can't be sacrificing we can't be sacrificing you can't be sacrificing they can't be sacrificing
Perfect
I can't have sacrificed you can't have sacrificed he can't have sacrificed we can't have sacrificed you can't have sacrificed they can't have sacrificed
V-ing perfect
I can't have been sacrificing you can't have been sacrificing he can't have been sacrificing we can't have been sacrificing you can't have been sacrificing they can't have been sacrificing
Interrogative form
Simple form
can I sacrifice? can you sacrifice? can he sacrifice? can we sacrifice? can you sacrifice? can they sacrifice?
V-ing form
can I be sacrificing? can you be sacrificing? can he be sacrificing? can we be sacrificing? can you be sacrificing? can they be sacrificing?
Perfect
can I have sacrificed? can you have sacrificed? can he 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 he have been sacrificing? can we have been sacrificing? can you have been sacrificing? can they have been sacrificing?
Interro-negative form
Simple form
can't I sacrifice? can't you sacrifice? can't he sacrifice? can't we sacrifice? can't you sacrifice? can't they sacrifice?
V-ing form
can't I be sacrificing? can't you be sacrificing? can't he be sacrificing? can't we be sacrificing? can't you be sacrificing? can't they be sacrificing?
Perfect
can't I have sacrificed? can't you have sacrificed? can't he have sacrificed? can't we have sacrificed? can't you have sacrificed? can't they have sacrificed?
V-ing perfect
can't I have been sacrificing? can't you have been sacrificing? can't he have been sacrificing? can't we have been sacrificing? can't you have been sacrificing? can't they have been sacrificing?