English verb conjugation
MUST FOREGROUND

Regular verb: foreground - foregrounded - foregrounded

Affirmation

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