English verb conjugation
CAN CHAMP

Regular verb: champ - champed - champed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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