English verb conjugation
CAN COX

Regular verb: cox - coxed - coxed

Affirmation

Simple form	V-ing form
I can cox you can cox he can cox we can cox you can cox they can cox	I can be coxing you can be coxing he can be coxing we can be coxing you can be coxing they can be coxing
Perfect	V-ing perfect
I can have coxed you can have coxed he can have coxed we can have coxed you can have coxed they can have coxed	I can have been coxing you can have been coxing he can have been coxing we can have been coxing you can have been coxing they can have been coxing

Negation

Simple form	V-ing form
I can't cox you can't cox he can't cox we can't cox you can't cox they can't cox	I can't be coxing you can't be coxing he can't be coxing we can't be coxing you can't be coxing they can't be coxing
Perfect	V-ing perfect
I can't have coxed you can't have coxed he can't have coxed we can't have coxed you can't have coxed they can't have coxed	I can't have been coxing you can't have been coxing he can't have been coxing we can't have been coxing you can't have been coxing they can't have been coxing

Interrogative form

Simple form	V-ing form
can I cox? can you cox? can he cox? can we cox? can you cox? can they cox?	can I be coxing? can you be coxing? can he be coxing? can we be coxing? can you be coxing? can they be coxing?
Perfect	V-ing perfect
can I have coxed? can you have coxed? can he have coxed? can we have coxed? can you have coxed? can they have coxed?	can I have been coxing? can you have been coxing? can he have been coxing? can we have been coxing? can you have been coxing? can they have been coxing?

Interro-negative form

Simple form	V-ing form
can't I cox? can't you cox? can't he cox? can't we cox? can't you cox? can't they cox?	can't I be coxing? can't you be coxing? can't he be coxing? can't we be coxing? can't you be coxing? can't they be coxing?
Perfect	V-ing perfect
can't I have coxed? can't you have coxed? can't he have coxed? can't we have coxed? can't you have coxed? can't they have coxed?	can't I have been coxing? can't you have been coxing? can't he have been coxing? can't we have been coxing? can't you have been coxing? can't they have been coxing?