must tumble-dry
Regular verb: tumble-dry - tumble-dried- tumble-dried

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

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

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

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