would heighten
Regular verb: heighten - heightened- heightened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd heighten
you'd heighten
she'd heighten
we'd heighten
you'd heighten
they'd heighten 	I'd be heightening
you'd be heightening
she'd be heightening
we'd be heightening
you'd be heightening
they'd be heightening	I would've heightened
you would've heightened
she would've heightened
we would've heightened
you would've heightened
they would've heightened	I would've been heightening
you would've been heightening
she would've been heightening
we would've been heightening
you would've been heightening
they would've been heightening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't heighten
you wouldn't heighten
she wouldn't heighten
we wouldn't heighten
you wouldn't heighten
they wouldn't heighten 	I wouldn't be heightening
you wouldn't be heightening
she wouldn't be heightening
we wouldn't be heightening
you wouldn't be heightening
they wouldn't be heightening	I wouldn't have heightened
you wouldn't have heightened
she wouldn't have heightened
we wouldn't have heightened
you wouldn't have heightened
they wouldn't have heightened	I wouldn't have been heightening
you wouldn't have been heightening
she wouldn't have been heightening
we wouldn't have been heightening
you wouldn't have been heightening
they wouldn't have been heightening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I heighten?
would you heighten?
would she heighten?
would we heighten?
would you heighten?
would they heighten? 	would I be heightening?
would you be heightening?
would she be heightening?
would we be heightening?
would you be heightening?
would they be heightening? 	would I have heightened?
would you have heightened?
would she have heightened?
would we have heightened?
would you have heightened?
would they have heightened? 	would I have been heightening?
would you have been heightening?
would she have been heightening?
would we have been heightening?
would you have been heightening?
would they have been heightening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I heighten?
wouldn't you heighten?
wouldn't she heighten?
wouldn't we heighten?
wouldn't you heighten?
wouldn't they heighten? 	wouldn't I be heightening?
wouldn't you be heightening?
wouldn't she be heightening?
wouldn't we be heightening?
wouldn't you be heightening?
wouldn't they be heightening? 	wouldn't I have heightened?
wouldn't you have heightened?
wouldn't she have heightened?
wouldn't we have heightened?
wouldn't you have heightened?
wouldn't they have heightened? 	wouldn't I have been heightening?
wouldn't you have been heightening?
wouldn't she have been heightening?
wouldn't we have been heightening?
wouldn't you have been heightening?
wouldn't they have been heightening?