must rough-dry
Regular verb: rough-dry - rough-dried- rough-dried

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must rough-dry
you must rough-dry
he must rough-dry
we must rough-dry
you must rough-dry
they must rough-dry 	I must be rough-drying
you must be rough-drying
he must be rough-drying
we must be rough-drying
you must be rough-drying
they must be rough-drying	I must have rough-dried
you must have rough-dried
he must have rough-dried
we must have rough-dried
you must have rough-dried
they must have rough-dried	I must have been rough-drying
you must have been rough-drying
he must have been rough-drying
we must have been rough-drying
you must have been rough-drying
they must have been rough-drying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't rough-dry
you mustn't rough-dry
he mustn't rough-dry
we mustn't rough-dry
you mustn't rough-dry
they mustn't rough-dry 	I mustn't be rough-drying
you mustn't be rough-drying
he mustn't be rough-drying
we mustn't be rough-drying
you mustn't be rough-drying
they mustn't be rough-drying	I mustn't have rough-dried
you mustn't have rough-dried
he mustn't have rough-dried
we mustn't have rough-dried
you mustn't have rough-dried
they mustn't have rough-dried	I mustn't have been rough-drying
you mustn't have been rough-drying
he mustn't have been rough-drying
we mustn't have been rough-drying
you mustn't have been rough-drying
they mustn't have been rough-drying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I rough-dry?
must you rough-dry?
must he rough-dry?
must we rough-dry?
must you rough-dry?
must they rough-dry? 	must I be rough-drying?
must you be rough-drying?
must he be rough-drying?
must we be rough-drying?
must you be rough-drying?
must they be rough-drying? 	must I have rough-dried?
must you have rough-dried?
must he have rough-dried?
must we have rough-dried?
must you have rough-dried?
must they have rough-dried? 	must I have been rough-drying?
must you have been rough-drying?
must he have been rough-drying?
must we have been rough-drying?
must you have been rough-drying?
must they have been rough-drying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I rough-dry?
mustn't you rough-dry?
mustn't he rough-dry?
mustn't we rough-dry?
mustn't you rough-dry?
mustn't they rough-dry? 	mustn't I be rough-drying?
mustn't you be rough-drying?
mustn't he be rough-drying?
mustn't we be rough-drying?
mustn't you be rough-drying?
mustn't they be rough-drying? 	mustn't I have rough-dried?
mustn't you have rough-dried?
mustn't he have rough-dried?
mustn't we have rough-dried?
mustn't you have rough-dried?
mustn't they have rough-dried? 	mustn't I have been rough-drying?
mustn't you have been rough-drying?
mustn't he have been rough-drying?
mustn't we have been rough-drying?
mustn't you have been rough-drying?
mustn't they have been rough-drying?