Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could chip chip you could chip chip he could chip chip we could chip chip you could chip chip they could chip chip
V-ing form
I could be chip chiping you could be chip chiping he could be chip chiping we could be chip chiping you could be chip chiping they could be chip chiping
Perfect
I could have chip chiped you could have chip chiped he could have chip chiped we could have chip chiped you could have chip chiped they could have chip chiped
V-ing perfect
I could have been chip chiping you could have been chip chiping he could have been chip chiping we could have been chip chiping you could have been chip chiping they could have been chip chiping
Negation
Simple form
I could not chip chip you could not chip chip he could not chip chip we could not chip chip you could not chip chip they could not chip chip
V-ing form
I could not be chip chiping you could not be chip chiping he could not be chip chiping we could not be chip chiping you could not be chip chiping they could not be chip chiping
Perfect
I could not have chip chiped you could not have chip chiped he could not have chip chiped we could not have chip chiped you could not have chip chiped they could not have chip chiped
V-ing perfect
I could not have been chip chiping you could not have been chip chiping he could not have been chip chiping we could not have been chip chiping you could not have been chip chiping they could not have been chip chiping
Interrogative form
Simple form
could I chip chip? could you chip chip? could he chip chip? could we chip chip? could you chip chip? could they chip chip?
V-ing form
could I be chip chiping? could you be chip chiping? could he be chip chiping? could we be chip chiping? could you be chip chiping? could they be chip chiping?
Perfect
could I have chip chiped? could you have chip chiped? could he have chip chiped? could we have chip chiped? could you have chip chiped? could they have chip chiped?
V-ing perfect
could I have been chip chiping? could you have been chip chiping? could he have been chip chiping? could we have been chip chiping? could you have been chip chiping? could they have been chip chiping?
Interro-negative form
Simple form
could I not chip chip? could you not chip chip? could he not chip chip? could we not chip chip? could you not chip chip? could they not chip chip?
V-ing form
could I not be chip chiping? could you not be chip chiping? could he not be chip chiping? could we not be chip chiping? could you not be chip chiping? could they not be chip chiping?
Perfect
could I not have chip chiped? could you not have chip chiped? could he not have chip chiped? could we not have chip chiped? could you not have chip chiped? could they not have chip chiped?
V-ing perfect
could I not have been chip chiping? could you not have been chip chiping? could he not have been chip chiping? could we not have been chip chiping? could you not have been chip chiping? could they not have been chip chiping?