should pair
Regular verb: pair - paired- paired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd pair
you'd pair
she'd pair
we'd pair
you'd pair
they'd pair 	I'd be pairing
you'd be pairing
she'd be pairing
we'd be pairing
you'd be pairing
they'd be pairing	I should've paired
you should've paired
she should've paired
we should've paired
you should've paired
they should've paired	I should've been pairing
you should've been pairing
she should've been pairing
we should've been pairing
you should've been pairing
they should've been pairing	

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

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

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