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