must foreground
Regular verb: foreground - foregrounded- foregrounded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must foreground
you must foreground
she must foreground
we must foreground
you must foreground
they must foreground 	I must be foregrounding
you must be foregrounding
she must be foregrounding
we must be foregrounding
you must be foregrounding
they must be foregrounding	I must have foregrounded
you must have foregrounded
she 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
she must have been foregrounding
we must have been foregrounding
you must have been foregrounding
they must have been foregrounding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't foreground
you mustn't foreground
she 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
she 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
she 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
she mustn't have been foregrounding
we mustn't have been foregrounding
you mustn't have been foregrounding
they mustn't have been foregrounding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I foreground?
must you foreground?
must she foreground?
must we foreground?
must you foreground?
must they foreground? 	must I be foregrounding?
must you be foregrounding?
must she be foregrounding?
must we be foregrounding?
must you be foregrounding?
must they be foregrounding? 	must I have foregrounded?
must you have foregrounded?
must she 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 she have been foregrounding?
must we have been foregrounding?
must you have been foregrounding?
must they have been foregrounding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I foreground?
mustn't you foreground?
mustn't she 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 she 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 she 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 she have been foregrounding?
mustn't we have been foregrounding?
mustn't you have been foregrounding?
mustn't they have been foregrounding?