can pair
Regular verb: pair - paired- paired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can pair
you can pair
he can pair
we can pair
you can pair
they can pair 	I can be pairing
you can be pairing
he can be pairing
we can be pairing
you can be pairing
they can be pairing	I can have paired
you can have paired
he 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
he 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 cannot pair
you cannot pair
he cannot pair
we cannot pair
you cannot pair
they cannot pair 	I cannot be pairing
you cannot be pairing
he cannot be pairing
we cannot be pairing
you cannot be pairing
they cannot be pairing	I cannot have paired
you cannot have paired
he cannot have paired
we cannot have paired
you cannot have paired
they cannot have paired	I cannot have been pairing
you cannot have been pairing
he cannot have been pairing
we cannot have been pairing
you cannot have been pairing
they cannot have been pairing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I pair?
can you pair?
can he pair?
can we pair?
can you pair?
can they pair? 	can I be pairing?
can you be pairing?
can he be pairing?
can we be pairing?
can you be pairing?
can they be pairing? 	can I have paired?
can you have paired?
can he 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 he 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 I not pair?
can you not pair?
can he not pair?
can we not pair?
can you not pair?
can they not pair? 	can I not be pairing?
can you not be pairing?
can he not be pairing?
can we not be pairing?
can you not be pairing?
can they not be pairing? 	can I not have paired?
can you not have paired?
can he not have paired?
can we not have paired?
can you not have paired?
can they not have paired? 	can I not have been pairing?
can you not have been pairing?
can he not have been pairing?
can we not have been pairing?
can you not have been pairing?
can they not have been pairing?