I could interiorise you could interiorise he could interiorise we could interiorise you could interiorise they could interiorise
V-ing form
I could be interiorising you could be interiorising he could be interiorising we could be interiorising you could be interiorising they could be interiorising
Perfect
I could have interiorised you could have interiorised he could have interiorised we could have interiorised you could have interiorised they could have interiorised
V-ing perfect
I could have been interiorising you could have been interiorising he could have been interiorising we could have been interiorising you could have been interiorising they could have been interiorising
Negation
Simple form
I could not interiorise you could not interiorise he could not interiorise we could not interiorise you could not interiorise they could not interiorise
V-ing form
I could not be interiorising you could not be interiorising he could not be interiorising we could not be interiorising you could not be interiorising they could not be interiorising
Perfect
I could not have interiorised you could not have interiorised he could not have interiorised we could not have interiorised you could not have interiorised they could not have interiorised
V-ing perfect
I could not have been interiorising you could not have been interiorising he could not have been interiorising we could not have been interiorising you could not have been interiorising they could not have been interiorising
Interrogative form
Simple form
could I interiorise? could you interiorise? could he interiorise? could we interiorise? could you interiorise? could they interiorise?
V-ing form
could I be interiorising? could you be interiorising? could he be interiorising? could we be interiorising? could you be interiorising? could they be interiorising?
Perfect
could I have interiorised? could you have interiorised? could he have interiorised? could we have interiorised? could you have interiorised? could they have interiorised?
V-ing perfect
could I have been interiorising? could you have been interiorising? could he have been interiorising? could we have been interiorising? could you have been interiorising? could they have been interiorising?
Interro-negative form
Simple form
could I not interiorise? could you not interiorise? could he not interiorise? could we not interiorise? could you not interiorise? could they not interiorise?
V-ing form
could I not be interiorising? could you not be interiorising? could he not be interiorising? could we not be interiorising? could you not be interiorising? could they not be interiorising?
Perfect
could I not have interiorised? could you not have interiorised? could he not have interiorised? could we not have interiorised? could you not have interiorised? could they not have interiorised?
V-ing perfect
could I not have been interiorising? could you not have been interiorising? could he not have been interiorising? could we not have been interiorising? could you not have been interiorising? could they not have been interiorising?