must jitterbug
Verbo regular: jitterbug - jitterbuged- jitterbuged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must jitterbug
you must jitterbug
he must jitterbug
we must jitterbug
you must jitterbug
they must jitterbug 	I must be jitterbuging
you must be jitterbuging
he must be jitterbuging
we must be jitterbuging
you must be jitterbuging
they must be jitterbuging	I must have jitterbuged
you must have jitterbuged
he must have jitterbuged
we must have jitterbuged
you must have jitterbuged
they must have jitterbuged	I must have been jitterbuging
you must have been jitterbuging
he must have been jitterbuging
we must have been jitterbuging
you must have been jitterbuging
they must have been jitterbuging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't jitterbug
you mustn't jitterbug
he mustn't jitterbug
we mustn't jitterbug
you mustn't jitterbug
they mustn't jitterbug 	I mustn't be jitterbuging
you mustn't be jitterbuging
he mustn't be jitterbuging
we mustn't be jitterbuging
you mustn't be jitterbuging
they mustn't be jitterbuging	I mustn't have jitterbuged
you mustn't have jitterbuged
he mustn't have jitterbuged
we mustn't have jitterbuged
you mustn't have jitterbuged
they mustn't have jitterbuged	I mustn't have been jitterbuging
you mustn't have been jitterbuging
he mustn't have been jitterbuging
we mustn't have been jitterbuging
you mustn't have been jitterbuging
they mustn't have been jitterbuging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I jitterbug?
must you jitterbug?
must he jitterbug?
must we jitterbug?
must you jitterbug?
must they jitterbug? 	must I be jitterbuging?
must you be jitterbuging?
must he be jitterbuging?
must we be jitterbuging?
must you be jitterbuging?
must they be jitterbuging? 	must I have jitterbuged?
must you have jitterbuged?
must he have jitterbuged?
must we have jitterbuged?
must you have jitterbuged?
must they have jitterbuged? 	must I have been jitterbuging?
must you have been jitterbuging?
must he have been jitterbuging?
must we have been jitterbuging?
must you have been jitterbuging?
must they have been jitterbuging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I jitterbug?
mustn't you jitterbug?
mustn't he jitterbug?
mustn't we jitterbug?
mustn't you jitterbug?
mustn't they jitterbug? 	mustn't I be jitterbuging?
mustn't you be jitterbuging?
mustn't he be jitterbuging?
mustn't we be jitterbuging?
mustn't you be jitterbuging?
mustn't they be jitterbuging? 	mustn't I have jitterbuged?
mustn't you have jitterbuged?
mustn't he have jitterbuged?
mustn't we have jitterbuged?
mustn't you have jitterbuged?
mustn't they have jitterbuged? 	mustn't I have been jitterbuging?
mustn't you have been jitterbuging?
mustn't he have been jitterbuging?
mustn't we have been jitterbuging?
mustn't you have been jitterbuging?
mustn't they have been jitterbuging?