I could inscribe you could inscribe he could inscribe we could inscribe you could inscribe they could inscribe
V-ing form
I could be inscribing you could be inscribing he could be inscribing we could be inscribing you could be inscribing they could be inscribing
Perfect
I could have inscribed you could have inscribed he could have inscribed we could have inscribed you could have inscribed they could have inscribed
V-ing perfect
I could have been inscribing you could have been inscribing he could have been inscribing we could have been inscribing you could have been inscribing they could have been inscribing
Negation
Simple form
I couldn't inscribe you couldn't inscribe he couldn't inscribe we couldn't inscribe you couldn't inscribe they couldn't inscribe
V-ing form
I couldn't be inscribing you couldn't be inscribing he couldn't be inscribing we couldn't be inscribing you couldn't be inscribing they couldn't be inscribing
Perfect
I couldn't have inscribed you couldn't have inscribed he couldn't have inscribed we couldn't have inscribed you couldn't have inscribed they couldn't have inscribed
V-ing perfect
I couldn't have been inscribing you couldn't have been inscribing he couldn't have been inscribing we couldn't have been inscribing you couldn't have been inscribing they couldn't have been inscribing
Interrogative form
Simple form
could I inscribe? could you inscribe? could he inscribe? could we inscribe? could you inscribe? could they inscribe?
V-ing form
could I be inscribing? could you be inscribing? could he be inscribing? could we be inscribing? could you be inscribing? could they be inscribing?
Perfect
could I have inscribed? could you have inscribed? could he have inscribed? could we have inscribed? could you have inscribed? could they have inscribed?
V-ing perfect
could I have been inscribing? could you have been inscribing? could he have been inscribing? could we have been inscribing? could you have been inscribing? could they have been inscribing?
Interro-negative form
Simple form
couldn't I inscribe? couldn't you inscribe? couldn't he inscribe? couldn't we inscribe? couldn't you inscribe? couldn't they inscribe?
V-ing form
couldn't I be inscribing? couldn't you be inscribing? couldn't he be inscribing? couldn't we be inscribing? couldn't you be inscribing? couldn't they be inscribing?
Perfect
couldn't I have inscribed? couldn't you have inscribed? couldn't he have inscribed? couldn't we have inscribed? couldn't you have inscribed? couldn't they have inscribed?
V-ing perfect
couldn't I have been inscribing? couldn't you have been inscribing? couldn't he have been inscribing? couldn't we have been inscribing? couldn't you have been inscribing? couldn't they have been inscribing?