must prance
Regular verb: prance - pranced- pranced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must prance
you must prance
he must prance
we must prance
you must prance
they must prance 	I must be prancing
you must be prancing
he must be prancing
we must be prancing
you must be prancing
they must be prancing	I must have pranced
you must have pranced
he must have pranced
we must have pranced
you must have pranced
they must have pranced	I must have been prancing
you must have been prancing
he must have been prancing
we must have been prancing
you must have been prancing
they must have been prancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't prance
you mustn't prance
he mustn't prance
we mustn't prance
you mustn't prance
they mustn't prance 	I mustn't be prancing
you mustn't be prancing
he mustn't be prancing
we mustn't be prancing
you mustn't be prancing
they mustn't be prancing	I mustn't have pranced
you mustn't have pranced
he mustn't have pranced
we mustn't have pranced
you mustn't have pranced
they mustn't have pranced	I mustn't have been prancing
you mustn't have been prancing
he mustn't have been prancing
we mustn't have been prancing
you mustn't have been prancing
they mustn't have been prancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I prance?
must you prance?
must he prance?
must we prance?
must you prance?
must they prance? 	must I be prancing?
must you be prancing?
must he be prancing?
must we be prancing?
must you be prancing?
must they be prancing? 	must I have pranced?
must you have pranced?
must he have pranced?
must we have pranced?
must you have pranced?
must they have pranced? 	must I have been prancing?
must you have been prancing?
must he have been prancing?
must we have been prancing?
must you have been prancing?
must they have been prancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I prance?
mustn't you prance?
mustn't he prance?
mustn't we prance?
mustn't you prance?
mustn't they prance? 	mustn't I be prancing?
mustn't you be prancing?
mustn't he be prancing?
mustn't we be prancing?
mustn't you be prancing?
mustn't they be prancing? 	mustn't I have pranced?
mustn't you have pranced?
mustn't he have pranced?
mustn't we have pranced?
mustn't you have pranced?
mustn't they have pranced? 	mustn't I have been prancing?
mustn't you have been prancing?
mustn't he have been prancing?
mustn't we have been prancing?
mustn't you have been prancing?
mustn't they have been prancing?