can arbitrate
Regular verb: arbitrate - arbitrated- arbitrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can arbitrate
you can arbitrate
she can arbitrate
we can arbitrate
you can arbitrate
they can arbitrate 	I can be arbitrating
you can be arbitrating
she can be arbitrating
we can be arbitrating
you can be arbitrating
they can be arbitrating	I can have arbitrated
you can have arbitrated
she can have arbitrated
we can have arbitrated
you can have arbitrated
they can have arbitrated	I can have been arbitrating
you can have been arbitrating
she can have been arbitrating
we can have been arbitrating
you can have been arbitrating
they can have been arbitrating	

Negation 	
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I can't arbitrate
you can't arbitrate
she can't arbitrate
we can't arbitrate
you can't arbitrate
they can't arbitrate 	I can't be arbitrating
you can't be arbitrating
she can't be arbitrating
we can't be arbitrating
you can't be arbitrating
they can't be arbitrating	I can't have arbitrated
you can't have arbitrated
she can't have arbitrated
we can't have arbitrated
you can't have arbitrated
they can't have arbitrated	I can't have been arbitrating
you can't have been arbitrating
she 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 	V-ing form 	Perfect 	V-ing perfect 	
can I arbitrate?
can you arbitrate?
can she arbitrate?
can we arbitrate?
can you arbitrate?
can they arbitrate? 	can I be arbitrating?
can you be arbitrating?
can she be arbitrating?
can we be arbitrating?
can you be arbitrating?
can they be arbitrating? 	can I have arbitrated?
can you have arbitrated?
can she have arbitrated?
can we have arbitrated?
can you have arbitrated?
can they have arbitrated? 	can I have been arbitrating?
can you have been arbitrating?
can she have been arbitrating?
can we have been arbitrating?
can you have been arbitrating?
can they have been arbitrating? 	

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