English verb conjugation
MUST FOREGROUND

Regular verb: foreground - foregrounded - foregrounded

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?