I can arbitrate you can arbitrate he can arbitrate we can arbitrate you can arbitrate they can arbitrate
V-ing form
I can be arbitrating you can be arbitrating he can be arbitrating we can be arbitrating you can be arbitrating they can be arbitrating
Perfect
I can have arbitrated you can have arbitrated he can have arbitrated we can have arbitrated you can have arbitrated they can have arbitrated
V-ing perfect
I can have been arbitrating you can have been arbitrating he can have been arbitrating we can have been arbitrating you can have been arbitrating they can have been arbitrating
Negation
Simple form
I can't arbitrate you can't arbitrate he can't arbitrate we can't arbitrate you can't arbitrate they can't arbitrate
V-ing form
I can't be arbitrating you can't be arbitrating he can't be arbitrating we can't be arbitrating you can't be arbitrating they can't be arbitrating
Perfect
I can't have arbitrated you can't have arbitrated he can't have arbitrated we can't have arbitrated you can't have arbitrated they can't have arbitrated
V-ing perfect
I can't have been arbitrating you can't have been arbitrating he can't have been arbitrating we can't have been arbitrating you can't have been arbitrating they can't have been arbitrating
Interrogative form
Simple form
can I arbitrate? can you arbitrate? can he arbitrate? can we arbitrate? can you arbitrate? can they arbitrate?
V-ing form
can I be arbitrating? can you be arbitrating? can he be arbitrating? can we be arbitrating? can you be arbitrating? can they be arbitrating?
Perfect
can I have arbitrated? can you have arbitrated? can he have arbitrated? can we have arbitrated? can you have arbitrated? can they have arbitrated?
V-ing perfect
can I have been arbitrating? can you have been arbitrating? can he have been arbitrating? can we have been arbitrating? can you have been arbitrating? can they have been arbitrating?
Interro-negative form
Simple form
can't I arbitrate? can't you arbitrate? can't he arbitrate? can't we arbitrate? can't you arbitrate? can't they arbitrate?
V-ing form
can't I be arbitrating? can't you be arbitrating? can't he be arbitrating? can't we be arbitrating? can't you be arbitrating? can't they be arbitrating?
Perfect
can't I have arbitrated? can't you have arbitrated? can't he have arbitrated? can't we have arbitrated? can't you have arbitrated? can't they have arbitrated?
V-ing perfect
can't I have been arbitrating? can't you have been arbitrating? can't he have been arbitrating? can't we have been arbitrating? can't you have been arbitrating? can't they have been arbitrating?