I could industrialize you could industrialize he could industrialize we could industrialize you could industrialize they could industrialize
V-ing form
I could be industrializing you could be industrializing he could be industrializing we could be industrializing you could be industrializing they could be industrializing
Perfect
I could have industrialized you could have industrialized he could have industrialized we could have industrialized you could have industrialized they could have industrialized
V-ing perfect
I could have been industrializing you could have been industrializing he could have been industrializing we could have been industrializing you could have been industrializing they could have been industrializing
Negation
Simple form
I could not industrialize you could not industrialize he could not industrialize we could not industrialize you could not industrialize they could not industrialize
V-ing form
I could not be industrializing you could not be industrializing he could not be industrializing we could not be industrializing you could not be industrializing they could not be industrializing
Perfect
I could not have industrialized you could not have industrialized he could not have industrialized we could not have industrialized you could not have industrialized they could not have industrialized
V-ing perfect
I could not have been industrializing you could not have been industrializing he could not have been industrializing we could not have been industrializing you could not have been industrializing they could not have been industrializing
Interrogative form
Simple form
could I industrialize? could you industrialize? could he industrialize? could we industrialize? could you industrialize? could they industrialize?
V-ing form
could I be industrializing? could you be industrializing? could he be industrializing? could we be industrializing? could you be industrializing? could they be industrializing?
Perfect
could I have industrialized? could you have industrialized? could he have industrialized? could we have industrialized? could you have industrialized? could they have industrialized?
V-ing perfect
could I have been industrializing? could you have been industrializing? could he have been industrializing? could we have been industrializing? could you have been industrializing? could they have been industrializing?
Interro-negative form
Simple form
could I not industrialize? could you not industrialize? could he not industrialize? could we not industrialize? could you not industrialize? could they not industrialize?
V-ing form
could I not be industrializing? could you not be industrializing? could he not be industrializing? could we not be industrializing? could you not be industrializing? could they not be industrializing?
Perfect
could I not have industrialized? could you not have industrialized? could he not have industrialized? could we not have industrialized? could you not have industrialized? could they not have industrialized?
V-ing perfect
could I not have been industrializing? could you not have been industrializing? could he not have been industrializing? could we not have been industrializing? could you not have been industrializing? could they not have been industrializing?