must refold
Regular verb: refold - refolded- refolded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must refold
you must refold
he must refold
we must refold
you must refold
they must refold 	I must be refolding
you must be refolding
he must be refolding
we must be refolding
you must be refolding
they must be refolding	I must have refolded
you must have refolded
he must have refolded
we must have refolded
you must have refolded
they must have refolded	I must have been refolding
you must have been refolding
he must have been refolding
we must have been refolding
you must have been refolding
they must have been refolding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't refold
you mustn't refold
he mustn't refold
we mustn't refold
you mustn't refold
they mustn't refold 	I mustn't be refolding
you mustn't be refolding
he mustn't be refolding
we mustn't be refolding
you mustn't be refolding
they mustn't be refolding	I mustn't have refolded
you mustn't have refolded
he mustn't have refolded
we mustn't have refolded
you mustn't have refolded
they mustn't have refolded	I mustn't have been refolding
you mustn't have been refolding
he mustn't have been refolding
we mustn't have been refolding
you mustn't have been refolding
they mustn't have been refolding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I refold?
must you refold?
must he refold?
must we refold?
must you refold?
must they refold? 	must I be refolding?
must you be refolding?
must he be refolding?
must we be refolding?
must you be refolding?
must they be refolding? 	must I have refolded?
must you have refolded?
must he have refolded?
must we have refolded?
must you have refolded?
must they have refolded? 	must I have been refolding?
must you have been refolding?
must he have been refolding?
must we have been refolding?
must you have been refolding?
must they have been refolding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I refold?
mustn't you refold?
mustn't he refold?
mustn't we refold?
mustn't you refold?
mustn't they refold? 	mustn't I be refolding?
mustn't you be refolding?
mustn't he be refolding?
mustn't we be refolding?
mustn't you be refolding?
mustn't they be refolding? 	mustn't I have refolded?
mustn't you have refolded?
mustn't he have refolded?
mustn't we have refolded?
mustn't you have refolded?
mustn't they have refolded? 	mustn't I have been refolding?
mustn't you have been refolding?
mustn't he have been refolding?
mustn't we have been refolding?
mustn't you have been refolding?
mustn't they have been refolding?