English verb conjugation
COULD DRIVES

Regular verb: drives - drivesed - drivesed

Affirmation

Simple form	V-ing form
I could drives you could drives he could drives we could drives you could drives they could drives	I could be drivesing you could be drivesing he could be drivesing we could be drivesing you could be drivesing they could be drivesing
Perfect	V-ing perfect
I could have drivesed you could have drivesed he could have drivesed we could have drivesed you could have drivesed they could have drivesed	I could have been drivesing you could have been drivesing he could have been drivesing we could have been drivesing you could have been drivesing they could have been drivesing

Negation

Simple form	V-ing form
I could not drives you could not drives he could not drives we could not drives you could not drives they could not drives	I could not be drivesing you could not be drivesing he could not be drivesing we could not be drivesing you could not be drivesing they could not be drivesing
Perfect	V-ing perfect
I could not have drivesed you could not have drivesed he could not have drivesed we could not have drivesed you could not have drivesed they could not have drivesed	I could not have been drivesing you could not have been drivesing he could not have been drivesing we could not have been drivesing you could not have been drivesing they could not have been drivesing

Interrogative form

Simple form	V-ing form
could I drives? could you drives? could he drives? could we drives? could you drives? could they drives?	could I be drivesing? could you be drivesing? could he be drivesing? could we be drivesing? could you be drivesing? could they be drivesing?
Perfect	V-ing perfect
could I have drivesed? could you have drivesed? could he have drivesed? could we have drivesed? could you have drivesed? could they have drivesed?	could I have been drivesing? could you have been drivesing? could he have been drivesing? could we have been drivesing? could you have been drivesing? could they have been drivesing?

Interro-negative form

Simple form	V-ing form
could I not drives? could you not drives? could he not drives? could we not drives? could you not drives? could they not drives?	could I not be drivesing? could you not be drivesing? could he not be drivesing? could we not be drivesing? could you not be drivesing? could they not be drivesing?
Perfect	V-ing perfect
could I not have drivesed? could you not have drivesed? could he not have drivesed? could we not have drivesed? could you not have drivesed? could they not have drivesed?	could I not have been drivesing? could you not have been drivesing? could he not have been drivesing? could we not have been drivesing? could you not have been drivesing? could they not have been drivesing?