I could disabuse you could disabuse he could disabuse we could disabuse you could disabuse they could disabuse
V-ing form
I could be disabusing you could be disabusing he could be disabusing we could be disabusing you could be disabusing they could be disabusing
Perfect
I could have disabused you could have disabused he could have disabused we could have disabused you could have disabused they could have disabused
V-ing perfect
I could have been disabusing you could have been disabusing he could have been disabusing we could have been disabusing you could have been disabusing they could have been disabusing
Negation
Simple form
I could not disabuse you could not disabuse he could not disabuse we could not disabuse you could not disabuse they could not disabuse
V-ing form
I could not be disabusing you could not be disabusing he could not be disabusing we could not be disabusing you could not be disabusing they could not be disabusing
Perfect
I could not have disabused you could not have disabused he could not have disabused we could not have disabused you could not have disabused they could not have disabused
V-ing perfect
I could not have been disabusing you could not have been disabusing he could not have been disabusing we could not have been disabusing you could not have been disabusing they could not have been disabusing
Interrogative form
Simple form
could I disabuse? could you disabuse? could he disabuse? could we disabuse? could you disabuse? could they disabuse?
V-ing form
could I be disabusing? could you be disabusing? could he be disabusing? could we be disabusing? could you be disabusing? could they be disabusing?
Perfect
could I have disabused? could you have disabused? could he have disabused? could we have disabused? could you have disabused? could they have disabused?
V-ing perfect
could I have been disabusing? could you have been disabusing? could he have been disabusing? could we have been disabusing? could you have been disabusing? could they have been disabusing?
Interro-negative form
Simple form
could I not disabuse? could you not disabuse? could he not disabuse? could we not disabuse? could you not disabuse? could they not disabuse?
V-ing form
could I not be disabusing? could you not be disabusing? could he not be disabusing? could we not be disabusing? could you not be disabusing? could they not be disabusing?
Perfect
could I not have disabused? could you not have disabused? could he not have disabused? could we not have disabused? could you not have disabused? could they not have disabused?
V-ing perfect
could I not have been disabusing? could you not have been disabusing? could he not have been disabusing? could we not have been disabusing? could you not have been disabusing? could they not have been disabusing?