English verb conjugation
COULD CORN

Regular verb: corn - corned - corned

Affirmation

Simple form	V-ing form
I could corn you could corn she could corn we could corn you could corn they could corn	I could be corning you could be corning she could be corning we could be corning you could be corning they could be corning
Perfect	V-ing perfect
I could have corned you could have corned she could have corned we could have corned you could have corned they could have corned	I could have been corning you could have been corning she could have been corning we could have been corning you could have been corning they could have been corning

Negation

Simple form	V-ing form
I could not corn you could not corn she could not corn we could not corn you could not corn they could not corn	I could not be corning you could not be corning she could not be corning we could not be corning you could not be corning they could not be corning
Perfect	V-ing perfect
I could not have corned you could not have corned she could not have corned we could not have corned you could not have corned they could not have corned	I could not have been corning you could not have been corning she could not have been corning we could not have been corning you could not have been corning they could not have been corning

Interrogative form

Simple form	V-ing form
could I corn? could you corn? could she corn? could we corn? could you corn? could they corn?	could I be corning? could you be corning? could she be corning? could we be corning? could you be corning? could they be corning?
Perfect	V-ing perfect
could I have corned? could you have corned? could she have corned? could we have corned? could you have corned? could they have corned?	could I have been corning? could you have been corning? could she have been corning? could we have been corning? could you have been corning? could they have been corning?

Interro-negative form

Simple form	V-ing form
could I not corn? could you not corn? could she not corn? could we not corn? could you not corn? could they not corn?	could I not be corning? could you not be corning? could she not be corning? could we not be corning? could you not be corning? could they not be corning?
Perfect	V-ing perfect
could I not have corned? could you not have corned? could she not have corned? could we not have corned? could you not have corned? could they not have corned?	could I not have been corning? could you not have been corning? could she not have been corning? could we not have been corning? could you not have been corning? could they not have been corning?