English verb conjugation
COULD CARP

Regular verb: carp - carped - carped

Affirmation

Simple form	V-ing form
I could carp you could carp he could carp we could carp you could carp they could carp	I could be carping you could be carping he could be carping we could be carping you could be carping they could be carping
Perfect	V-ing perfect
I could have carped you could have carped he could have carped we could have carped you could have carped they could have carped	I could have been carping you could have been carping he could have been carping we could have been carping you could have been carping they could have been carping

Negation

Simple form	V-ing form
I could not carp you could not carp he could not carp we could not carp you could not carp they could not carp	I could not be carping you could not be carping he could not be carping we could not be carping you could not be carping they could not be carping
Perfect	V-ing perfect
I could not have carped you could not have carped he could not have carped we could not have carped you could not have carped they could not have carped	I could not have been carping you could not have been carping he could not have been carping we could not have been carping you could not have been carping they could not have been carping

Interrogative form

Simple form	V-ing form
could I carp? could you carp? could he carp? could we carp? could you carp? could they carp?	could I be carping? could you be carping? could he be carping? could we be carping? could you be carping? could they be carping?
Perfect	V-ing perfect
could I have carped? could you have carped? could he have carped? could we have carped? could you have carped? could they have carped?	could I have been carping? could you have been carping? could he have been carping? could we have been carping? could you have been carping? could they have been carping?

Interro-negative form

Simple form	V-ing form
could I not carp? could you not carp? could he not carp? could we not carp? could you not carp? could they not carp?	could I not be carping? could you not be carping? could he not be carping? could we not be carping? could you not be carping? could they not be carping?
Perfect	V-ing perfect
could I not have carped? could you not have carped? could he not have carped? could we not have carped? could you not have carped? could they not have carped?	could I not have been carping? could you not have been carping? could he not have been carping? could we not have been carping? could you not have been carping? could they not have been carping?