must pair
Regular verb: pair - paired- paired

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

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

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

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