must unfolc
Regular verb: unfolc - unfolced- unfolced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must unfolc
you must unfolc
he must unfolc
we must unfolc
you must unfolc
they must unfolc 	I must be unfolcing
you must be unfolcing
he must be unfolcing
we must be unfolcing
you must be unfolcing
they must be unfolcing	I must have unfolced
you must have unfolced
he must have unfolced
we must have unfolced
you must have unfolced
they must have unfolced	I must have been unfolcing
you must have been unfolcing
he must have been unfolcing
we must have been unfolcing
you must have been unfolcing
they must have been unfolcing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't unfolc
you mustn't unfolc
he mustn't unfolc
we mustn't unfolc
you mustn't unfolc
they mustn't unfolc 	I mustn't be unfolcing
you mustn't be unfolcing
he mustn't be unfolcing
we mustn't be unfolcing
you mustn't be unfolcing
they mustn't be unfolcing	I mustn't have unfolced
you mustn't have unfolced
he mustn't have unfolced
we mustn't have unfolced
you mustn't have unfolced
they mustn't have unfolced	I mustn't have been unfolcing
you mustn't have been unfolcing
he mustn't have been unfolcing
we mustn't have been unfolcing
you mustn't have been unfolcing
they mustn't have been unfolcing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I unfolc?
must you unfolc?
must he unfolc?
must we unfolc?
must you unfolc?
must they unfolc? 	must I be unfolcing?
must you be unfolcing?
must he be unfolcing?
must we be unfolcing?
must you be unfolcing?
must they be unfolcing? 	must I have unfolced?
must you have unfolced?
must he have unfolced?
must we have unfolced?
must you have unfolced?
must they have unfolced? 	must I have been unfolcing?
must you have been unfolcing?
must he have been unfolcing?
must we have been unfolcing?
must you have been unfolcing?
must they have been unfolcing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I unfolc?
mustn't you unfolc?
mustn't he unfolc?
mustn't we unfolc?
mustn't you unfolc?
mustn't they unfolc? 	mustn't I be unfolcing?
mustn't you be unfolcing?
mustn't he be unfolcing?
mustn't we be unfolcing?
mustn't you be unfolcing?
mustn't they be unfolcing? 	mustn't I have unfolced?
mustn't you have unfolced?
mustn't he have unfolced?
mustn't we have unfolced?
mustn't you have unfolced?
mustn't they have unfolced? 	mustn't I have been unfolcing?
mustn't you have been unfolcing?
mustn't he have been unfolcing?
mustn't we have been unfolcing?
mustn't you have been unfolcing?
mustn't they have been unfolcing?