I could blight you could blight he could blight we could blight you could blight they could blight
V-ing form
I could be blighting you could be blighting he could be blighting we could be blighting you could be blighting they could be blighting
Perfect
I could have blighted you could have blighted he could have blighted we could have blighted you could have blighted they could have blighted
V-ing perfect
I could have been blighting you could have been blighting he could have been blighting we could have been blighting you could have been blighting they could have been blighting
Negation
Simple form
I could not blight you could not blight he could not blight we could not blight you could not blight they could not blight
V-ing form
I could not be blighting you could not be blighting he could not be blighting we could not be blighting you could not be blighting they could not be blighting
Perfect
I could not have blighted you could not have blighted he could not have blighted we could not have blighted you could not have blighted they could not have blighted
V-ing perfect
I could not have been blighting you could not have been blighting he could not have been blighting we could not have been blighting you could not have been blighting they could not have been blighting
Interrogative form
Simple form
could I blight? could you blight? could he blight? could we blight? could you blight? could they blight?
V-ing form
could I be blighting? could you be blighting? could he be blighting? could we be blighting? could you be blighting? could they be blighting?
Perfect
could I have blighted? could you have blighted? could he have blighted? could we have blighted? could you have blighted? could they have blighted?
V-ing perfect
could I have been blighting? could you have been blighting? could he have been blighting? could we have been blighting? could you have been blighting? could they have been blighting?
Interro-negative form
Simple form
could I not blight? could you not blight? could he not blight? could we not blight? could you not blight? could they not blight?
V-ing form
could I not be blighting? could you not be blighting? could he not be blighting? could we not be blighting? could you not be blighting? could they not be blighting?
Perfect
could I not have blighted? could you not have blighted? could he not have blighted? could we not have blighted? could you not have blighted? could they not have blighted?
V-ing perfect
could I not have been blighting? could you not have been blighting? could he not have been blighting? could we not have been blighting? could you not have been blighting? could they not have been blighting?