English verb conjugation
CAN COPYRIGHT

Regular verb: copyright - copyrighted - copyrighted

Affirmation

Simple form	V-ing form
I can copyright you can copyright he can copyright we can copyright you can copyright they can copyright	I can be copyrighting you can be copyrighting he can be copyrighting we can be copyrighting you can be copyrighting they can be copyrighting
Perfect	V-ing perfect
I can have copyrighted you can have copyrighted he can have copyrighted we can have copyrighted you can have copyrighted they can have copyrighted	I can have been copyrighting you can have been copyrighting he can have been copyrighting we can have been copyrighting you can have been copyrighting they can have been copyrighting

Negation

Simple form	V-ing form
I can't copyright you can't copyright he can't copyright we can't copyright you can't copyright they can't copyright	I can't be copyrighting you can't be copyrighting he can't be copyrighting we can't be copyrighting you can't be copyrighting they can't be copyrighting
Perfect	V-ing perfect
I can't have copyrighted you can't have copyrighted he can't have copyrighted we can't have copyrighted you can't have copyrighted they can't have copyrighted	I can't have been copyrighting you can't have been copyrighting he can't have been copyrighting we can't have been copyrighting you can't have been copyrighting they can't have been copyrighting

Interrogative form

Simple form	V-ing form
can I copyright? can you copyright? can he copyright? can we copyright? can you copyright? can they copyright?	can I be copyrighting? can you be copyrighting? can he be copyrighting? can we be copyrighting? can you be copyrighting? can they be copyrighting?
Perfect	V-ing perfect
can I have copyrighted? can you have copyrighted? can he have copyrighted? can we have copyrighted? can you have copyrighted? can they have copyrighted?	can I have been copyrighting? can you have been copyrighting? can he have been copyrighting? can we have been copyrighting? can you have been copyrighting? can they have been copyrighting?

Interro-negative form

Simple form	V-ing form
can't I copyright? can't you copyright? can't he copyright? can't we copyright? can't you copyright? can't they copyright?	can't I be copyrighting? can't you be copyrighting? can't he be copyrighting? can't we be copyrighting? can't you be copyrighting? can't they be copyrighting?
Perfect	V-ing perfect
can't I have copyrighted? can't you have copyrighted? can't he have copyrighted? can't we have copyrighted? can't you have copyrighted? can't they have copyrighted?	can't I have been copyrighting? can't you have been copyrighting? can't he have been copyrighting? can't we have been copyrighting? can't you have been copyrighting? can't they have been copyrighting?