can pair
Regular verb: pair - paired- paired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can pair
you can pair
she can pair
we can pair
you can pair
they can pair 	I can be pairing
you can be pairing
she can be pairing
we can be pairing
you can be pairing
they can be pairing	I can have paired
you can have paired
she can have paired
we can have paired
you can have paired
they can have paired	I can have been pairing
you can have been pairing
she can have been pairing
we can have been pairing
you can have been pairing
they can have been pairing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't pair
you can't pair
she can't pair
we can't pair
you can't pair
they can't pair 	I can't be pairing
you can't be pairing
she can't be pairing
we can't be pairing
you can't be pairing
they can't be pairing	I can't have paired
you can't have paired
she can't have paired
we can't have paired
you can't have paired
they can't have paired	I can't have been pairing
you can't have been pairing
she can't have been pairing
we can't have been pairing
you can't have been pairing
they can't have been pairing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I pair?
can you pair?
can she pair?
can we pair?
can you pair?
can they pair? 	can I be pairing?
can you be pairing?
can she be pairing?
can we be pairing?
can you be pairing?
can they be pairing? 	can I have paired?
can you have paired?
can she have paired?
can we have paired?
can you have paired?
can they have paired? 	can I have been pairing?
can you have been pairing?
can she have been pairing?
can we have been pairing?
can you have been pairing?
can they have been pairing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I pair?
can't you pair?
can't she pair?
can't we pair?
can't you pair?
can't they pair? 	can't I be pairing?
can't you be pairing?
can't she be pairing?
can't we be pairing?
can't you be pairing?
can't they be pairing? 	can't I have paired?
can't you have paired?
can't she have paired?
can't we have paired?
can't you have paired?
can't they have paired? 	can't I have been pairing?
can't you have been pairing?
can't she have been pairing?
can't we have been pairing?
can't you have been pairing?
can't they have been pairing?