must prink
Verbo regular: prink - prinked- prinked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must prink
you must prink
he must prink
we must prink
you must prink
they must prink 	I must be prinking
you must be prinking
he must be prinking
we must be prinking
you must be prinking
they must be prinking	I must have prinked
you must have prinked
he must have prinked
we must have prinked
you must have prinked
they must have prinked	I must have been prinking
you must have been prinking
he must have been prinking
we must have been prinking
you must have been prinking
they must have been prinking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't prink
you mustn't prink
he mustn't prink
we mustn't prink
you mustn't prink
they mustn't prink 	I mustn't be prinking
you mustn't be prinking
he mustn't be prinking
we mustn't be prinking
you mustn't be prinking
they mustn't be prinking	I mustn't have prinked
you mustn't have prinked
he mustn't have prinked
we mustn't have prinked
you mustn't have prinked
they mustn't have prinked	I mustn't have been prinking
you mustn't have been prinking
he mustn't have been prinking
we mustn't have been prinking
you mustn't have been prinking
they mustn't have been prinking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I prink?
must you prink?
must he prink?
must we prink?
must you prink?
must they prink? 	must I be prinking?
must you be prinking?
must he be prinking?
must we be prinking?
must you be prinking?
must they be prinking? 	must I have prinked?
must you have prinked?
must he have prinked?
must we have prinked?
must you have prinked?
must they have prinked? 	must I have been prinking?
must you have been prinking?
must he have been prinking?
must we have been prinking?
must you have been prinking?
must they have been prinking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I prink?
mustn't you prink?
mustn't he prink?
mustn't we prink?
mustn't you prink?
mustn't they prink? 	mustn't I be prinking?
mustn't you be prinking?
mustn't he be prinking?
mustn't we be prinking?
mustn't you be prinking?
mustn't they be prinking? 	mustn't I have prinked?
mustn't you have prinked?
mustn't he have prinked?
mustn't we have prinked?
mustn't you have prinked?
mustn't they have prinked? 	mustn't I have been prinking?
mustn't you have been prinking?
mustn't he have been prinking?
mustn't we have been prinking?
mustn't you have been prinking?
mustn't they have been prinking?