English verb conjugation
COULD WITHE

Regular verb: withe - withed - withed

Affirmation

Simple form	V-ing form
I could withe you could withe she could withe we could withe you could withe they could withe	I could be withing you could be withing she could be withing we could be withing you could be withing they could be withing
Perfect	V-ing perfect
I could have withed you could have withed she could have withed we could have withed you could have withed they could have withed	I could have been withing you could have been withing she could have been withing we could have been withing you could have been withing they could have been withing

Negation

Simple form	V-ing form
I could not withe you could not withe she could not withe we could not withe you could not withe they could not withe	I could not be withing you could not be withing she could not be withing we could not be withing you could not be withing they could not be withing
Perfect	V-ing perfect
I could not have withed you could not have withed she could not have withed we could not have withed you could not have withed they could not have withed	I could not have been withing you could not have been withing she could not have been withing we could not have been withing you could not have been withing they could not have been withing

Interrogative form

Simple form	V-ing form
could I withe? could you withe? could she withe? could we withe? could you withe? could they withe?	could I be withing? could you be withing? could she be withing? could we be withing? could you be withing? could they be withing?
Perfect	V-ing perfect
could I have withed? could you have withed? could she have withed? could we have withed? could you have withed? could they have withed?	could I have been withing? could you have been withing? could she have been withing? could we have been withing? could you have been withing? could they have been withing?

Interro-negative form

Simple form	V-ing form
could I not withe? could you not withe? could she not withe? could we not withe? could you not withe? could they not withe?	could I not be withing? could you not be withing? could she not be withing? could we not be withing? could you not be withing? could they not be withing?
Perfect	V-ing perfect
could I not have withed? could you not have withed? could she not have withed? could we not have withed? could you not have withed? could they not have withed?	could I not have been withing? could you not have been withing? could she not have been withing? could we not have been withing? could you not have been withing? could they not have been withing?