English verb conjugation
COULD CHAMP

Regular verb: champ - champed - champed

Affirmation

Simple form	V-ing form
I could champ you could champ he could champ we could champ you could champ they could champ	I could be champing you could be champing he could be champing we could be champing you could be champing they could be champing
Perfect	V-ing perfect
I could have champed you could have champed he could have champed we could have champed you could have champed they could have champed	I could have been champing you could have been champing he could have been champing we could have been champing you could have been champing they could have been champing

Negation

Simple form	V-ing form
I could not champ you could not champ he could not champ we could not champ you could not champ they could not champ	I could not be champing you could not be champing he could not be champing we could not be champing you could not be champing they could not be champing
Perfect	V-ing perfect
I could not have champed you could not have champed he could not have champed we could not have champed you could not have champed they could not have champed	I could not have been champing you could not have been champing he could not have been champing we could not have been champing you could not have been champing they could not have been champing

Interrogative form

Simple form	V-ing form
could I champ? could you champ? could he champ? could we champ? could you champ? could they champ?	could I be champing? could you be champing? could he be champing? could we be champing? could you be champing? could they be champing?
Perfect	V-ing perfect
could I have champed? could you have champed? could he have champed? could we have champed? could you have champed? could they have champed?	could I have been champing? could you have been champing? could he have been champing? could we have been champing? could you have been champing? could they have been champing?

Interro-negative form

Simple form	V-ing form
could I not champ? could you not champ? could he not champ? could we not champ? could you not champ? could they not champ?	could I not be champing? could you not be champing? could he not be champing? could we not be champing? could you not be champing? could they not be champing?
Perfect	V-ing perfect
could I not have champed? could you not have champed? could he not have champed? could we not have champed? could you not have champed? could they not have champed?	could I not have been champing? could you not have been champing? could he not have been champing? could we not have been champing? could you not have been champing? could they not have been champing?