I must foreground you must foreground he must foreground we must foreground you must foreground they must foreground
V-ing form
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
I must have foregrounded you must have foregrounded he must have foregrounded we must have foregrounded you must have foregrounded they must have foregrounded
V-ing perfect
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
I must not foreground you must not foreground he must not foreground we must not foreground you must not foreground they must not foreground
V-ing form
I must not be foregrounding you must not be foregrounding he must not be foregrounding we must not be foregrounding you must not be foregrounding they must not be foregrounding
Perfect
I must not have foregrounded you must not have foregrounded he must not have foregrounded we must not have foregrounded you must not have foregrounded they must not have foregrounded
V-ing perfect
I must not have been foregrounding you must not have been foregrounding he must not have been foregrounding we must not have been foregrounding you must not have been foregrounding they must not have been foregrounding
Interrogative form
Simple form
must I foreground? must you foreground? must he foreground? must we foreground? must you foreground? must they foreground?
V-ing form
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
must I have foregrounded? must you have foregrounded? must he have foregrounded? must we have foregrounded? must you have foregrounded? must they have foregrounded?
V-ing perfect
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
must I not foreground? must you not foreground? must he not foreground? must we not foreground? must you not foreground? must they not foreground?
V-ing form
must I not be foregrounding? must you not be foregrounding? must he not be foregrounding? must we not be foregrounding? must you not be foregrounding? must they not be foregrounding?
Perfect
must I not have foregrounded? must you not have foregrounded? must he not have foregrounded? must we not have foregrounded? must you not have foregrounded? must they not have foregrounded?
V-ing perfect
must I not have been foregrounding? must you not have been foregrounding? must he not have been foregrounding? must we not have been foregrounding? must you not have been foregrounding? must they not have been foregrounding?