must burke
Verbo regular: burke - burked- burked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must burke
you must burke
he must burke
we must burke
you must burke
they must burke 	I must be burking
you must be burking
he must be burking
we must be burking
you must be burking
they must be burking	I must have burked
you must have burked
he must have burked
we must have burked
you must have burked
they must have burked	I must have been burking
you must have been burking
he must have been burking
we must have been burking
you must have been burking
they must have been burking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't burke
you mustn't burke
he mustn't burke
we mustn't burke
you mustn't burke
they mustn't burke 	I mustn't be burking
you mustn't be burking
he mustn't be burking
we mustn't be burking
you mustn't be burking
they mustn't be burking	I mustn't have burked
you mustn't have burked
he mustn't have burked
we mustn't have burked
you mustn't have burked
they mustn't have burked	I mustn't have been burking
you mustn't have been burking
he mustn't have been burking
we mustn't have been burking
you mustn't have been burking
they mustn't have been burking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I burke?
must you burke?
must he burke?
must we burke?
must you burke?
must they burke? 	must I be burking?
must you be burking?
must he be burking?
must we be burking?
must you be burking?
must they be burking? 	must I have burked?
must you have burked?
must he have burked?
must we have burked?
must you have burked?
must they have burked? 	must I have been burking?
must you have been burking?
must he have been burking?
must we have been burking?
must you have been burking?
must they have been burking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I burke?
mustn't you burke?
mustn't he burke?
mustn't we burke?
mustn't you burke?
mustn't they burke? 	mustn't I be burking?
mustn't you be burking?
mustn't he be burking?
mustn't we be burking?
mustn't you be burking?
mustn't they be burking? 	mustn't I have burked?
mustn't you have burked?
mustn't he have burked?
mustn't we have burked?
mustn't you have burked?
mustn't they have burked? 	mustn't I have been burking?
mustn't you have been burking?
mustn't he have been burking?
mustn't we have been burking?
mustn't you have been burking?
mustn't they have been burking?