English verb conjugation
WOULD MAINTAIN

Regular verb: maintain - maintained - maintained

Affirmation

Simple form	V-ing form
I'd maintain you'd maintain he'd maintain we'd maintain you'd maintain they'd maintain	I'd be maintaining you'd be maintaining he'd be maintaining we'd be maintaining you'd be maintaining they'd be maintaining
Perfect	V-ing perfect
I would've maintained you would've maintained he would've maintained we would've maintained you would've maintained they would've maintained	I would've been maintaining you would've been maintaining he would've been maintaining we would've been maintaining you would've been maintaining they would've been maintaining

Negation

Simple form	V-ing form
I wouldn't maintain you wouldn't maintain he wouldn't maintain we wouldn't maintain you wouldn't maintain they wouldn't maintain	I wouldn't be maintaining you wouldn't be maintaining he wouldn't be maintaining we wouldn't be maintaining you wouldn't be maintaining they wouldn't be maintaining
Perfect	V-ing perfect
I wouldn't have maintained you wouldn't have maintained he wouldn't have maintained we wouldn't have maintained you wouldn't have maintained they wouldn't have maintained	I wouldn't have been maintaining you wouldn't have been maintaining he wouldn't have been maintaining we wouldn't have been maintaining you wouldn't have been maintaining they wouldn't have been maintaining

Interrogative form

Simple form	V-ing form
would I maintain? would you maintain? would he maintain? would we maintain? would you maintain? would they maintain?	would I be maintaining? would you be maintaining? would he be maintaining? would we be maintaining? would you be maintaining? would they be maintaining?
Perfect	V-ing perfect
would I have maintained? would you have maintained? would he have maintained? would we have maintained? would you have maintained? would they have maintained?	would I have been maintaining? would you have been maintaining? would he have been maintaining? would we have been maintaining? would you have been maintaining? would they have been maintaining?

Interro-negative form

Simple form	V-ing form
wouldn't I maintain? wouldn't you maintain? wouldn't he maintain? wouldn't we maintain? wouldn't you maintain? wouldn't they maintain?	wouldn't I be maintaining? wouldn't you be maintaining? wouldn't he be maintaining? wouldn't we be maintaining? wouldn't you be maintaining? wouldn't they be maintaining?
Perfect	V-ing perfect
wouldn't I have maintained? wouldn't you have maintained? wouldn't he have maintained? wouldn't we have maintained? wouldn't you have maintained? wouldn't they have maintained?	wouldn't I have been maintaining? wouldn't you have been maintaining? wouldn't he have been maintaining? wouldn't we have been maintaining? wouldn't you have been maintaining? wouldn't they have been maintaining?