English verb conjugation
COULD SURPLUS

Regular verb: surplus - surplused - surplused

Affirmation

Simple form	V-ing form
I could surplus you could surplus she could surplus we could surplus you could surplus they could surplus	I could be surplusing you could be surplusing she could be surplusing we could be surplusing you could be surplusing they could be surplusing
Perfect	V-ing perfect
I could have surplused you could have surplused she could have surplused we could have surplused you could have surplused they could have surplused	I could have been surplusing you could have been surplusing she could have been surplusing we could have been surplusing you could have been surplusing they could have been surplusing

Negation

Simple form	V-ing form
I could not surplus you could not surplus she could not surplus we could not surplus you could not surplus they could not surplus	I could not be surplusing you could not be surplusing she could not be surplusing we could not be surplusing you could not be surplusing they could not be surplusing
Perfect	V-ing perfect
I could not have surplused you could not have surplused she could not have surplused we could not have surplused you could not have surplused they could not have surplused	I could not have been surplusing you could not have been surplusing she could not have been surplusing we could not have been surplusing you could not have been surplusing they could not have been surplusing

Interrogative form

Simple form	V-ing form
could I surplus? could you surplus? could she surplus? could we surplus? could you surplus? could they surplus?	could I be surplusing? could you be surplusing? could she be surplusing? could we be surplusing? could you be surplusing? could they be surplusing?
Perfect	V-ing perfect
could I have surplused? could you have surplused? could she have surplused? could we have surplused? could you have surplused? could they have surplused?	could I have been surplusing? could you have been surplusing? could she have been surplusing? could we have been surplusing? could you have been surplusing? could they have been surplusing?

Interro-negative form

Simple form	V-ing form
could I not surplus? could you not surplus? could she not surplus? could we not surplus? could you not surplus? could they not surplus?	could I not be surplusing? could you not be surplusing? could she not be surplusing? could we not be surplusing? could you not be surplusing? could they not be surplusing?
Perfect	V-ing perfect
could I not have surplused? could you not have surplused? could she not have surplused? could we not have surplused? could you not have surplused? could they not have surplused?	could I not have been surplusing? could you not have been surplusing? could she not have been surplusing? could we not have been surplusing? could you not have been surplusing? could they not have been surplusing?