English verb conjugation
COULD DISABUSE

Regular verb: disabuse - disabused - disabused

Affirmation

Simple form	V-ing form
I could disabuse you could disabuse he could disabuse we could disabuse you could disabuse they could disabuse	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	V-ing 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	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	V-ing form
I couldn't disabuse you couldn't disabuse he couldn't disabuse we couldn't disabuse you couldn't disabuse they couldn't disabuse	I couldn't be disabusing you couldn't be disabusing he couldn't be disabusing we couldn't be disabusing you couldn't be disabusing they couldn't be disabusing
Perfect	V-ing perfect
I couldn't have disabused you couldn't have disabused he couldn't have disabused we couldn't have disabused you couldn't have disabused they couldn't have disabused	I couldn't have been disabusing you couldn't have been disabusing he couldn't have been disabusing we couldn't have been disabusing you couldn't have been disabusing they couldn't have been disabusing

Interrogative form

Simple form	V-ing form
could I disabuse? could you disabuse? could he disabuse? could we disabuse? could you disabuse? could they disabuse?	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	V-ing 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?	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	V-ing form
couldn't I disabuse? couldn't you disabuse? couldn't he disabuse? couldn't we disabuse? couldn't you disabuse? couldn't they disabuse?	couldn't I be disabusing? couldn't you be disabusing? couldn't he be disabusing? couldn't we be disabusing? couldn't you be disabusing? couldn't they be disabusing?
Perfect	V-ing perfect
couldn't I have disabused? couldn't you have disabused? couldn't he have disabused? couldn't we have disabused? couldn't you have disabused? couldn't they have disabused?	couldn't I have been disabusing? couldn't you have been disabusing? couldn't he have been disabusing? couldn't we have been disabusing? couldn't you have been disabusing? couldn't they have been disabusing?