English verb conjugation
WOULD CO-STAR

Regular verb: co-star - co-stared - co-stared

Affirmation

Simple form	V-ing form
I'd co-star you'd co-star he'd co-star we'd co-star you'd co-star they'd co-star	I'd be co-staring you'd be co-staring he'd be co-staring we'd be co-staring you'd be co-staring they'd be co-staring
Perfect	V-ing perfect
I would've co-stared you would've co-stared he would've co-stared we would've co-stared you would've co-stared they would've co-stared	I would've been co-staring you would've been co-staring he would've been co-staring we would've been co-staring you would've been co-staring they would've been co-staring

Negation

Simple form	V-ing form
I wouldn't co-star you wouldn't co-star he wouldn't co-star we wouldn't co-star you wouldn't co-star they wouldn't co-star	I wouldn't be co-staring you wouldn't be co-staring he wouldn't be co-staring we wouldn't be co-staring you wouldn't be co-staring they wouldn't be co-staring
Perfect	V-ing perfect
I wouldn't have co-stared you wouldn't have co-stared he wouldn't have co-stared we wouldn't have co-stared you wouldn't have co-stared they wouldn't have co-stared	I wouldn't have been co-staring you wouldn't have been co-staring he wouldn't have been co-staring we wouldn't have been co-staring you wouldn't have been co-staring they wouldn't have been co-staring

Interrogative form

Simple form	V-ing form
would I co-star? would you co-star? would he co-star? would we co-star? would you co-star? would they co-star?	would I be co-staring? would you be co-staring? would he be co-staring? would we be co-staring? would you be co-staring? would they be co-staring?
Perfect	V-ing perfect
would I have co-stared? would you have co-stared? would he have co-stared? would we have co-stared? would you have co-stared? would they have co-stared?	would I have been co-staring? would you have been co-staring? would he have been co-staring? would we have been co-staring? would you have been co-staring? would they have been co-staring?

Interro-negative form

Simple form	V-ing form
wouldn't I co-star? wouldn't you co-star? wouldn't he co-star? wouldn't we co-star? wouldn't you co-star? wouldn't they co-star?	wouldn't I be co-staring? wouldn't you be co-staring? wouldn't he be co-staring? wouldn't we be co-staring? wouldn't you be co-staring? wouldn't they be co-staring?
Perfect	V-ing perfect
wouldn't I have co-stared? wouldn't you have co-stared? wouldn't he have co-stared? wouldn't we have co-stared? wouldn't you have co-stared? wouldn't they have co-stared?	wouldn't I have been co-staring? wouldn't you have been co-staring? wouldn't he have been co-staring? wouldn't we have been co-staring? wouldn't you have been co-staring? wouldn't they have been co-staring?