I could inscribe you could inscribe she could inscribe we could inscribe you could inscribe they could inscribe
V-ing form
I could be inscribing you could be inscribing she could be inscribing we could be inscribing you could be inscribing they could be inscribing
Perfect
I could have inscribed you could have inscribed she 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 she 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 she 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 she 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 she 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 she 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 she inscribe? could we inscribe? could you inscribe? could they inscribe?
V-ing form
could I be inscribing? could you be inscribing? could she be inscribing? could we be inscribing? could you be inscribing? could they be inscribing?
Perfect
could I have inscribed? could you have inscribed? could she 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 she 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 she 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 she 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 she 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 she have been inscribing? couldn't we have been inscribing? couldn't you have been inscribing? couldn't they have been inscribing?