English verb conjugation
COULD CORE

Regular verb: core - cored - cored

Affirmation

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

Negation

Simple form	V-ing form
I could not core you could not core he could not core we could not core you could not core they could not core	I could not be coring you could not be coring he could not be coring we could not be coring you could not be coring they could not be coring
Perfect	V-ing perfect
I could not have cored you could not have cored he could not have cored we could not have cored you could not have cored they could not have cored	I could not have been coring you could not have been coring he could not have been coring we could not have been coring you could not have been coring they could not have been coring

Interrogative form

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

Interro-negative form

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