I can foreground you can foreground he can foreground we can foreground you can foreground they can foreground
V-ing form
I can be foregrounding you can be foregrounding he can be foregrounding we can be foregrounding you can be foregrounding they can be foregrounding
Perfect
I can have foregrounded you can have foregrounded he can have foregrounded we can have foregrounded you can have foregrounded they can have foregrounded
V-ing perfect
I can have been foregrounding you can have been foregrounding he can have been foregrounding we can have been foregrounding you can have been foregrounding they can have been foregrounding
Negation
Simple form
I can't foreground you can't foreground he can't foreground we can't foreground you can't foreground they can't foreground
V-ing form
I can't be foregrounding you can't be foregrounding he can't be foregrounding we can't be foregrounding you can't be foregrounding they can't be foregrounding
Perfect
I can't have foregrounded you can't have foregrounded he can't have foregrounded we can't have foregrounded you can't have foregrounded they can't have foregrounded
V-ing perfect
I can't have been foregrounding you can't have been foregrounding he can't have been foregrounding we can't have been foregrounding you can't have been foregrounding they can't have been foregrounding
Interrogative form
Simple form
can I foreground? can you foreground? can he foreground? can we foreground? can you foreground? can they foreground?
V-ing form
can I be foregrounding? can you be foregrounding? can he be foregrounding? can we be foregrounding? can you be foregrounding? can they be foregrounding?
Perfect
can I have foregrounded? can you have foregrounded? can he have foregrounded? can we have foregrounded? can you have foregrounded? can they have foregrounded?
V-ing perfect
can I have been foregrounding? can you have been foregrounding? can he have been foregrounding? can we have been foregrounding? can you have been foregrounding? can they have been foregrounding?
Interro-negative form
Simple form
can't I foreground? can't you foreground? can't he foreground? can't we foreground? can't you foreground? can't they foreground?
V-ing form
can't I be foregrounding? can't you be foregrounding? can't he be foregrounding? can't we be foregrounding? can't you be foregrounding? can't they be foregrounding?
Perfect
can't I have foregrounded? can't you have foregrounded? can't he have foregrounded? can't we have foregrounded? can't you have foregrounded? can't they have foregrounded?
V-ing perfect
can't I have been foregrounding? can't you have been foregrounding? can't he have been foregrounding? can't we have been foregrounding? can't you have been foregrounding? can't they have been foregrounding?