must foreground
Verbo regular: foreground - foregrounded- foregrounded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must foreground
you must foreground
he must foreground
we must foreground
you must foreground
they must foreground 	I must be foregrounding
you must be foregrounding
he must be foregrounding
we must be foregrounding
you must be foregrounding
they must be foregrounding	I must have foregrounded
you must have foregrounded
he must have foregrounded
we must have foregrounded
you must have foregrounded
they must have foregrounded	I must have been foregrounding
you must have been foregrounding
he must have been foregrounding
we must have been foregrounding
you must have been foregrounding
they must have been foregrounding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't foreground
you mustn't foreground
he mustn't foreground
we mustn't foreground
you mustn't foreground
they mustn't foreground 	I mustn't be foregrounding
you mustn't be foregrounding
he mustn't be foregrounding
we mustn't be foregrounding
you mustn't be foregrounding
they mustn't be foregrounding	I mustn't have foregrounded
you mustn't have foregrounded
he mustn't have foregrounded
we mustn't have foregrounded
you mustn't have foregrounded
they mustn't have foregrounded	I mustn't have been foregrounding
you mustn't have been foregrounding
he mustn't have been foregrounding
we mustn't have been foregrounding
you mustn't have been foregrounding
they mustn't have been foregrounding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I foreground?
must you foreground?
must he foreground?
must we foreground?
must you foreground?
must they foreground? 	must I be foregrounding?
must you be foregrounding?
must he be foregrounding?
must we be foregrounding?
must you be foregrounding?
must they be foregrounding? 	must I have foregrounded?
must you have foregrounded?
must he have foregrounded?
must we have foregrounded?
must you have foregrounded?
must they have foregrounded? 	must I have been foregrounding?
must you have been foregrounding?
must he have been foregrounding?
must we have been foregrounding?
must you have been foregrounding?
must they have been foregrounding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I foreground?
mustn't you foreground?
mustn't he foreground?
mustn't we foreground?
mustn't you foreground?
mustn't they foreground? 	mustn't I be foregrounding?
mustn't you be foregrounding?
mustn't he be foregrounding?
mustn't we be foregrounding?
mustn't you be foregrounding?
mustn't they be foregrounding? 	mustn't I have foregrounded?
mustn't you have foregrounded?
mustn't he have foregrounded?
mustn't we have foregrounded?
mustn't you have foregrounded?
mustn't they have foregrounded? 	mustn't I have been foregrounding?
mustn't you have been foregrounding?
mustn't he have been foregrounding?
mustn't we have been foregrounding?
mustn't you have been foregrounding?
mustn't they have been foregrounding?