English verb conjugation
COULD CORE

Regular verb: core - cored - cored

Affirmation

Simple form	V-ing form
I could core you could core she could core we could core you could core they could core	I could be coring you could be coring she 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 she 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 she 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 couldn't core you couldn't core she couldn't core we couldn't core you couldn't core they couldn't core	I couldn't be coring you couldn't be coring she couldn't be coring we couldn't be coring you couldn't be coring they couldn't be coring
Perfect	V-ing perfect
I couldn't have cored you couldn't have cored she couldn't have cored we couldn't have cored you couldn't have cored they couldn't have cored	I couldn't have been coring you couldn't have been coring she couldn't have been coring we couldn't have been coring you couldn't have been coring they couldn't have been coring

Interrogative form

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