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 couldn't champ you couldn't champ he couldn't champ we couldn't champ you couldn't champ they couldn't champ	I couldn't be champing you couldn't be champing he couldn't be champing we couldn't be champing you couldn't be champing they couldn't be champing
Perfect	V-ing perfect
I couldn't have champed you couldn't have champed he couldn't have champed we couldn't have champed you couldn't have champed they couldn't have champed	I couldn't have been champing you couldn't have been champing he couldn't have been champing we couldn't have been champing you couldn't have been champing they couldn't 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
couldn't I champ? couldn't you champ? couldn't he champ? couldn't we champ? couldn't you champ? couldn't they champ?	couldn't I be champing? couldn't you be champing? couldn't he be champing? couldn't we be champing? couldn't you be champing? couldn't they be champing?
Perfect	V-ing perfect
couldn't I have champed? couldn't you have champed? couldn't he have champed? couldn't we have champed? couldn't you have champed? couldn't they have champed?	couldn't I have been champing? couldn't you have been champing? couldn't he have been champing? couldn't we have been champing? couldn't you have been champing? couldn't they have been champing?