can one-up
Regular verb: one-up - one-uped- one-uped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can one-up
you can one-up
he can one-up
we can one-up
you can one-up
they can one-up 	I can be one-uping
you can be one-uping
he can be one-uping
we can be one-uping
you can be one-uping
they can be one-uping	I can have one-uped
you can have one-uped
he can have one-uped
we can have one-uped
you can have one-uped
they can have one-uped	I can have been one-uping
you can have been one-uping
he can have been one-uping
we can have been one-uping
you can have been one-uping
they can have been one-uping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot one-up
you cannot one-up
he cannot one-up
we cannot one-up
you cannot one-up
they cannot one-up 	I cannot be one-uping
you cannot be one-uping
he cannot be one-uping
we cannot be one-uping
you cannot be one-uping
they cannot be one-uping	I cannot have one-uped
you cannot have one-uped
he cannot have one-uped
we cannot have one-uped
you cannot have one-uped
they cannot have one-uped	I cannot have been one-uping
you cannot have been one-uping
he cannot have been one-uping
we cannot have been one-uping
you cannot have been one-uping
they cannot have been one-uping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I one-up?
can you one-up?
can he one-up?
can we one-up?
can you one-up?
can they one-up? 	can I be one-uping?
can you be one-uping?
can he be one-uping?
can we be one-uping?
can you be one-uping?
can they be one-uping? 	can I have one-uped?
can you have one-uped?
can he have one-uped?
can we have one-uped?
can you have one-uped?
can they have one-uped? 	can I have been one-uping?
can you have been one-uping?
can he have been one-uping?
can we have been one-uping?
can you have been one-uping?
can they have been one-uping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not one-up?
can you not one-up?
can he not one-up?
can we not one-up?
can you not one-up?
can they not one-up? 	can I not be one-uping?
can you not be one-uping?
can he not be one-uping?
can we not be one-uping?
can you not be one-uping?
can they not be one-uping? 	can I not have one-uped?
can you not have one-uped?
can he not have one-uped?
can we not have one-uped?
can you not have one-uped?
can they not have one-uped? 	can I not have been one-uping?
can you not have been one-uping?
can he not have been one-uping?
can we not have been one-uping?
can you not have been one-uping?
can they not have been one-uping?