would gain
Regular verb: gain - gained- gained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd gain
you'd gain
he'd gain
we'd gain
you'd gain
they'd gain 	I'd be gaining
you'd be gaining
he'd be gaining
we'd be gaining
you'd be gaining
they'd be gaining	I would've gained
you would've gained
he would've gained
we would've gained
you would've gained
they would've gained	I would've been gaining
you would've been gaining
he would've been gaining
we would've been gaining
you would've been gaining
they would've been gaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't gain
you wouldn't gain
he wouldn't gain
we wouldn't gain
you wouldn't gain
they wouldn't gain 	I wouldn't be gaining
you wouldn't be gaining
he wouldn't be gaining
we wouldn't be gaining
you wouldn't be gaining
they wouldn't be gaining	I wouldn't have gained
you wouldn't have gained
he wouldn't have gained
we wouldn't have gained
you wouldn't have gained
they wouldn't have gained	I wouldn't have been gaining
you wouldn't have been gaining
he wouldn't have been gaining
we wouldn't have been gaining
you wouldn't have been gaining
they wouldn't have been gaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I gain?
would you gain?
would he gain?
would we gain?
would you gain?
would they gain? 	would I be gaining?
would you be gaining?
would he be gaining?
would we be gaining?
would you be gaining?
would they be gaining? 	would I have gained?
would you have gained?
would he have gained?
would we have gained?
would you have gained?
would they have gained? 	would I have been gaining?
would you have been gaining?
would he have been gaining?
would we have been gaining?
would you have been gaining?
would they have been gaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I gain?
wouldn't you gain?
wouldn't he gain?
wouldn't we gain?
wouldn't you gain?
wouldn't they gain? 	wouldn't I be gaining?
wouldn't you be gaining?
wouldn't he be gaining?
wouldn't we be gaining?
wouldn't you be gaining?
wouldn't they be gaining? 	wouldn't I have gained?
wouldn't you have gained?
wouldn't he have gained?
wouldn't we have gained?
wouldn't you have gained?
wouldn't they have gained? 	wouldn't I have been gaining?
wouldn't you have been gaining?
wouldn't he have been gaining?
wouldn't we have been gaining?
wouldn't you have been gaining?
wouldn't they have been gaining?