I could horrify you could horrify she could horrify we could horrify you could horrify they could horrify
V-ing form
I could be horrifying you could be horrifying she could be horrifying we could be horrifying you could be horrifying they could be horrifying
Perfect
I could have horrified you could have horrified she could have horrified we could have horrified you could have horrified they could have horrified
V-ing perfect
I could have been horrifying you could have been horrifying she could have been horrifying we could have been horrifying you could have been horrifying they could have been horrifying
Negation
Simple form
I could not horrify you could not horrify she could not horrify we could not horrify you could not horrify they could not horrify
V-ing form
I could not be horrifying you could not be horrifying she could not be horrifying we could not be horrifying you could not be horrifying they could not be horrifying
Perfect
I could not have horrified you could not have horrified she could not have horrified we could not have horrified you could not have horrified they could not have horrified
V-ing perfect
I could not have been horrifying you could not have been horrifying she could not have been horrifying we could not have been horrifying you could not have been horrifying they could not have been horrifying
Interrogative form
Simple form
could I horrify? could you horrify? could she horrify? could we horrify? could you horrify? could they horrify?
V-ing form
could I be horrifying? could you be horrifying? could she be horrifying? could we be horrifying? could you be horrifying? could they be horrifying?
Perfect
could I have horrified? could you have horrified? could she have horrified? could we have horrified? could you have horrified? could they have horrified?
V-ing perfect
could I have been horrifying? could you have been horrifying? could she have been horrifying? could we have been horrifying? could you have been horrifying? could they have been horrifying?
Interro-negative form
Simple form
could I not horrify? could you not horrify? could she not horrify? could we not horrify? could you not horrify? could they not horrify?
V-ing form
could I not be horrifying? could you not be horrifying? could she not be horrifying? could we not be horrifying? could you not be horrifying? could they not be horrifying?
Perfect
could I not have horrified? could you not have horrified? could she not have horrified? could we not have horrified? could you not have horrified? could they not have horrified?
V-ing perfect
could I not have been horrifying? could you not have been horrifying? could she not have been horrifying? could we not have been horrifying? could you not have been horrifying? could they not have been horrifying?