could drives
Regular verb: drives - drivesed- drivesed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?