must silk-screen
Verbo regular: silk-screen - silk-screened- silk-screened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must silk-screen
you must silk-screen
he must silk-screen
we must silk-screen
you must silk-screen
they must silk-screen 	I must be silk-screening
you must be silk-screening
he must be silk-screening
we must be silk-screening
you must be silk-screening
they must be silk-screening	I must have silk-screened
you must have silk-screened
he must have silk-screened
we must have silk-screened
you must have silk-screened
they must have silk-screened	I must have been silk-screening
you must have been silk-screening
he must have been silk-screening
we must have been silk-screening
you must have been silk-screening
they must have been silk-screening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't silk-screen
you mustn't silk-screen
he mustn't silk-screen
we mustn't silk-screen
you mustn't silk-screen
they mustn't silk-screen 	I mustn't be silk-screening
you mustn't be silk-screening
he mustn't be silk-screening
we mustn't be silk-screening
you mustn't be silk-screening
they mustn't be silk-screening	I mustn't have silk-screened
you mustn't have silk-screened
he mustn't have silk-screened
we mustn't have silk-screened
you mustn't have silk-screened
they mustn't have silk-screened	I mustn't have been silk-screening
you mustn't have been silk-screening
he mustn't have been silk-screening
we mustn't have been silk-screening
you mustn't have been silk-screening
they mustn't have been silk-screening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I silk-screen?
must you silk-screen?
must he silk-screen?
must we silk-screen?
must you silk-screen?
must they silk-screen? 	must I be silk-screening?
must you be silk-screening?
must he be silk-screening?
must we be silk-screening?
must you be silk-screening?
must they be silk-screening? 	must I have silk-screened?
must you have silk-screened?
must he have silk-screened?
must we have silk-screened?
must you have silk-screened?
must they have silk-screened? 	must I have been silk-screening?
must you have been silk-screening?
must he have been silk-screening?
must we have been silk-screening?
must you have been silk-screening?
must they have been silk-screening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I silk-screen?
mustn't you silk-screen?
mustn't he silk-screen?
mustn't we silk-screen?
mustn't you silk-screen?
mustn't they silk-screen? 	mustn't I be silk-screening?
mustn't you be silk-screening?
mustn't he be silk-screening?
mustn't we be silk-screening?
mustn't you be silk-screening?
mustn't they be silk-screening? 	mustn't I have silk-screened?
mustn't you have silk-screened?
mustn't he have silk-screened?
mustn't we have silk-screened?
mustn't you have silk-screened?
mustn't they have silk-screened? 	mustn't I have been silk-screening?
mustn't you have been silk-screening?
mustn't he have been silk-screening?
mustn't we have been silk-screening?
mustn't you have been silk-screening?
mustn't they have been silk-screening?