English verb conjugation
COULD WITHE

Regular verb: withe - withed - withed

Affirmation

Simple form	V-ing form
I could withe you could withe he could withe we could withe you could withe they could withe	I could be withing you could be withing he 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 he 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 he 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 couldn't withe you couldn't withe he couldn't withe we couldn't withe you couldn't withe they couldn't withe	I couldn't be withing you couldn't be withing he couldn't be withing we couldn't be withing you couldn't be withing they couldn't be withing
Perfect	V-ing perfect
I couldn't have withed you couldn't have withed he couldn't have withed we couldn't have withed you couldn't have withed they couldn't have withed	I couldn't have been withing you couldn't have been withing he couldn't have been withing we couldn't have been withing you couldn't have been withing they couldn't have been withing

Interrogative form

Simple form	V-ing form
could I withe? could you withe? could he withe? could we withe? could you withe? could they withe?	could I be withing? could you be withing? could he 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 he 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 he 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
couldn't I withe? couldn't you withe? couldn't he withe? couldn't we withe? couldn't you withe? couldn't they withe?	couldn't I be withing? couldn't you be withing? couldn't he be withing? couldn't we be withing? couldn't you be withing? couldn't they be withing?
Perfect	V-ing perfect
couldn't I have withed? couldn't you have withed? couldn't he have withed? couldn't we have withed? couldn't you have withed? couldn't they have withed?	couldn't I have been withing? couldn't you have been withing? couldn't he have been withing? couldn't we have been withing? couldn't you have been withing? couldn't they have been withing?