must folio
Regular verb: folio - folioed- folioed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must folio
you must folio
she must folio
we must folio
you must folio
they must folio 	I must be folioing
you must be folioing
she must be folioing
we must be folioing
you must be folioing
they must be folioing	I must have folioed
you must have folioed
she must have folioed
we must have folioed
you must have folioed
they must have folioed	I must have been folioing
you must have been folioing
she must have been folioing
we must have been folioing
you must have been folioing
they must have been folioing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't folio
you mustn't folio
she mustn't folio
we mustn't folio
you mustn't folio
they mustn't folio 	I mustn't be folioing
you mustn't be folioing
she mustn't be folioing
we mustn't be folioing
you mustn't be folioing
they mustn't be folioing	I mustn't have folioed
you mustn't have folioed
she mustn't have folioed
we mustn't have folioed
you mustn't have folioed
they mustn't have folioed	I mustn't have been folioing
you mustn't have been folioing
she mustn't have been folioing
we mustn't have been folioing
you mustn't have been folioing
they mustn't have been folioing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I folio?
must you folio?
must she folio?
must we folio?
must you folio?
must they folio? 	must I be folioing?
must you be folioing?
must she be folioing?
must we be folioing?
must you be folioing?
must they be folioing? 	must I have folioed?
must you have folioed?
must she have folioed?
must we have folioed?
must you have folioed?
must they have folioed? 	must I have been folioing?
must you have been folioing?
must she have been folioing?
must we have been folioing?
must you have been folioing?
must they have been folioing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I folio?
mustn't you folio?
mustn't she folio?
mustn't we folio?
mustn't you folio?
mustn't they folio? 	mustn't I be folioing?
mustn't you be folioing?
mustn't she be folioing?
mustn't we be folioing?
mustn't you be folioing?
mustn't they be folioing? 	mustn't I have folioed?
mustn't you have folioed?
mustn't she have folioed?
mustn't we have folioed?
mustn't you have folioed?
mustn't they have folioed? 	mustn't I have been folioing?
mustn't you have been folioing?
mustn't she have been folioing?
mustn't we have been folioing?
mustn't you have been folioing?
mustn't they have been folioing?