would ruin
Regular verb: ruin - ruined- ruined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd ruin
you'd ruin
he'd ruin
we'd ruin
you'd ruin
they'd ruin 	I'd be ruining
you'd be ruining
he'd be ruining
we'd be ruining
you'd be ruining
they'd be ruining	I would've ruined
you would've ruined
he would've ruined
we would've ruined
you would've ruined
they would've ruined	I would've been ruining
you would've been ruining
he would've been ruining
we would've been ruining
you would've been ruining
they would've been ruining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't ruin
you wouldn't ruin
he wouldn't ruin
we wouldn't ruin
you wouldn't ruin
they wouldn't ruin 	I wouldn't be ruining
you wouldn't be ruining
he wouldn't be ruining
we wouldn't be ruining
you wouldn't be ruining
they wouldn't be ruining	I wouldn't have ruined
you wouldn't have ruined
he wouldn't have ruined
we wouldn't have ruined
you wouldn't have ruined
they wouldn't have ruined	I wouldn't have been ruining
you wouldn't have been ruining
he wouldn't have been ruining
we wouldn't have been ruining
you wouldn't have been ruining
they wouldn't have been ruining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I ruin?
would you ruin?
would he ruin?
would we ruin?
would you ruin?
would they ruin? 	would I be ruining?
would you be ruining?
would he be ruining?
would we be ruining?
would you be ruining?
would they be ruining? 	would I have ruined?
would you have ruined?
would he have ruined?
would we have ruined?
would you have ruined?
would they have ruined? 	would I have been ruining?
would you have been ruining?
would he have been ruining?
would we have been ruining?
would you have been ruining?
would they have been ruining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I ruin?
wouldn't you ruin?
wouldn't he ruin?
wouldn't we ruin?
wouldn't you ruin?
wouldn't they ruin? 	wouldn't I be ruining?
wouldn't you be ruining?
wouldn't he be ruining?
wouldn't we be ruining?
wouldn't you be ruining?
wouldn't they be ruining? 	wouldn't I have ruined?
wouldn't you have ruined?
wouldn't he have ruined?
wouldn't we have ruined?
wouldn't you have ruined?
wouldn't they have ruined? 	wouldn't I have been ruining?
wouldn't you have been ruining?
wouldn't he have been ruining?
wouldn't we have been ruining?
wouldn't you have been ruining?
wouldn't they have been ruining?