English verb conjugation
COULD DRIVES

Regular verb: drives - drivesed - drivesed

Affirmation

Simple form	V-ing form
I could drives you could drives she could drives we could drives you could drives they could drives	I could be drivesing you could be drivesing she 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 she 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 she 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 couldn't drives you couldn't drives she couldn't drives we couldn't drives you couldn't drives they couldn't drives	I couldn't be drivesing you couldn't be drivesing she couldn't be drivesing we couldn't be drivesing you couldn't be drivesing they couldn't be drivesing
Perfect	V-ing perfect
I couldn't have drivesed you couldn't have drivesed she couldn't have drivesed we couldn't have drivesed you couldn't have drivesed they couldn't have drivesed	I couldn't have been drivesing you couldn't have been drivesing she couldn't have been drivesing we couldn't have been drivesing you couldn't have been drivesing they couldn't have been drivesing

Interrogative form

Simple form	V-ing form
could I drives? could you drives? could she drives? could we drives? could you drives? could they drives?	could I be drivesing? could you be drivesing? could she 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 she 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 she 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
couldn't I drives? couldn't you drives? couldn't she drives? couldn't we drives? couldn't you drives? couldn't they drives?	couldn't I be drivesing? couldn't you be drivesing? couldn't she be drivesing? couldn't we be drivesing? couldn't you be drivesing? couldn't they be drivesing?
Perfect	V-ing perfect
couldn't I have drivesed? couldn't you have drivesed? couldn't she have drivesed? couldn't we have drivesed? couldn't you have drivesed? couldn't they have drivesed?	couldn't I have been drivesing? couldn't you have been drivesing? couldn't she have been drivesing? couldn't we have been drivesing? couldn't you have been drivesing? couldn't they have been drivesing?