English verb conjugation
WOULD BACK

Regular verb: back - backed - backed

Affirmation

Simple form	V-ing form
I would back you would back she would back we would back you would back they would back	I would be backing you would be backing she would be backing we would be backing you would be backing they would be backing
Perfect	V-ing perfect
I would have backed you would have backed she would have backed we would have backed you would have backed they would have backed	I would have been backing you would have been backing she would have been backing we would have been backing you would have been backing they would have been backing

Negation

Simple form	V-ing form
I would not back you would not back she would not back we would not back you would not back they would not back	I would not be backing you would not be backing she would not be backing we would not be backing you would not be backing they would not be backing
Perfect	V-ing perfect
I would not have backed you would not have backed she would not have backed we would not have backed you would not have backed they would not have backed	I would not have been backing you would not have been backing she would not have been backing we would not have been backing you would not have been backing they would not have been backing

Interrogative form

Simple form	V-ing form
would I back? would you back? would she back? would we back? would you back? would they back?	would I be backing? would you be backing? would she be backing? would we be backing? would you be backing? would they be backing?
Perfect	V-ing perfect
would I have backed? would you have backed? would she have backed? would we have backed? would you have backed? would they have backed?	would I have been backing? would you have been backing? would she have been backing? would we have been backing? would you have been backing? would they have been backing?

Interro-negative form

Simple form	V-ing form
would I not back? would you not back? would she not back? would we not back? would you not back? would they not back?	would I not be backing? would you not be backing? would she not be backing? would we not be backing? would you not be backing? would they not be backing?
Perfect	V-ing perfect
would I not have backed? would you not have backed? would she not have backed? would we not have backed? would you not have backed? would they not have backed?	would I not have been backing? would you not have been backing? would she not have been backing? would we not have been backing? would you not have been backing? would they not have been backing?