English verb conjugation
CAN CORE

Regular verb: core - cored - cored

Affirmation

Simple form	V-ing form
I can core you can core he can core we can core you can core they can core	I can be coring you can be coring he can be coring we can be coring you can be coring they can be coring
Perfect	V-ing perfect
I can have cored you can have cored he can have cored we can have cored you can have cored they can have cored	I can have been coring you can have been coring he can have been coring we can have been coring you can have been coring they can have been coring

Negation

Simple form	V-ing form
I can't core you can't core he can't core we can't core you can't core they can't core	I can't be coring you can't be coring he can't be coring we can't be coring you can't be coring they can't be coring
Perfect	V-ing perfect
I can't have cored you can't have cored he can't have cored we can't have cored you can't have cored they can't have cored	I can't have been coring you can't have been coring he can't have been coring we can't have been coring you can't have been coring they can't have been coring

Interrogative form

Simple form	V-ing form
can I core? can you core? can he core? can we core? can you core? can they core?	can I be coring? can you be coring? can he be coring? can we be coring? can you be coring? can they be coring?
Perfect	V-ing perfect
can I have cored? can you have cored? can he have cored? can we have cored? can you have cored? can they have cored?	can I have been coring? can you have been coring? can he have been coring? can we have been coring? can you have been coring? can they have been coring?

Interro-negative form

Simple form	V-ing form
can't I core? can't you core? can't he core? can't we core? can't you core? can't they core?	can't I be coring? can't you be coring? can't he be coring? can't we be coring? can't you be coring? can't they be coring?
Perfect	V-ing perfect
can't I have cored? can't you have cored? can't he have cored? can't we have cored? can't you have cored? can't they have cored?	can't I have been coring? can't you have been coring? can't he have been coring? can't we have been coring? can't you have been coring? can't they have been coring?