English verb conjugation
CAN CORE

Regular verb: core - cored - cored

Affirmation

Simple form	V-ing form
I can core you can core she can core we can core you can core they can core	I can be coring you can be coring she 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 she 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 she 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 cannot core you cannot core she cannot core we cannot core you cannot core they cannot core	I cannot be coring you cannot be coring she cannot be coring we cannot be coring you cannot be coring they cannot be coring
Perfect	V-ing perfect
I cannot have cored you cannot have cored she cannot have cored we cannot have cored you cannot have cored they cannot have cored	I cannot have been coring you cannot have been coring she cannot have been coring we cannot have been coring you cannot have been coring they cannot have been coring

Interrogative form

Simple form	V-ing form
can I core? can you core? can she core? can we core? can you core? can they core?	can I be coring? can you be coring? can she 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 she 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 she 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 I not core? can you not core? can she not core? can we not core? can you not core? can they not core?	can I not be coring? can you not be coring? can she not be coring? can we not be coring? can you not be coring? can they not be coring?
Perfect	V-ing perfect
can I not have cored? can you not have cored? can she not have cored? can we not have cored? can you not have cored? can they not have cored?	can I not have been coring? can you not have been coring? can she not have been coring? can we not have been coring? can you not have been coring? can they not have been coring?