English verb conjugation
COULD BONE

Regular verb: bone - boned - boned

Affirmation

Simple form	V-ing form
I could bone you could bone she could bone we could bone you could bone they could bone	I could be boning you could be boning she could be boning we could be boning you could be boning they could be boning
Perfect	V-ing perfect
I could have boned you could have boned she could have boned we could have boned you could have boned they could have boned	I could have been boning you could have been boning she could have been boning we could have been boning you could have been boning they could have been boning

Negation

Simple form	V-ing form
I could not bone you could not bone she could not bone we could not bone you could not bone they could not bone	I could not be boning you could not be boning she could not be boning we could not be boning you could not be boning they could not be boning
Perfect	V-ing perfect
I could not have boned you could not have boned she could not have boned we could not have boned you could not have boned they could not have boned	I could not have been boning you could not have been boning she could not have been boning we could not have been boning you could not have been boning they could not have been boning

Interrogative form

Simple form	V-ing form
could I bone? could you bone? could she bone? could we bone? could you bone? could they bone?	could I be boning? could you be boning? could she be boning? could we be boning? could you be boning? could they be boning?
Perfect	V-ing perfect
could I have boned? could you have boned? could she have boned? could we have boned? could you have boned? could they have boned?	could I have been boning? could you have been boning? could she have been boning? could we have been boning? could you have been boning? could they have been boning?

Interro-negative form

Simple form	V-ing form
could I not bone? could you not bone? could she not bone? could we not bone? could you not bone? could they not bone?	could I not be boning? could you not be boning? could she not be boning? could we not be boning? could you not be boning? could they not be boning?
Perfect	V-ing perfect
could I not have boned? could you not have boned? could she not have boned? could we not have boned? could you not have boned? could they not have boned?	could I not have been boning? could you not have been boning? could she not have been boning? could we not have been boning? could you not have been boning? could they not have been boning?