English verb conjugation
WOULD LENGTHEN

Regular verb: lengthen - lengthened - lengthened

Affirmation

Simple form	V-ing form
I'd lengthen you'd lengthen he'd lengthen we'd lengthen you'd lengthen they'd lengthen	I'd be lengthening you'd be lengthening he'd be lengthening we'd be lengthening you'd be lengthening they'd be lengthening
Perfect	V-ing perfect
I would've lengthened you would've lengthened he would've lengthened we would've lengthened you would've lengthened they would've lengthened	I would've been lengthening you would've been lengthening he would've been lengthening we would've been lengthening you would've been lengthening they would've been lengthening

Negation

Simple form	V-ing form
I wouldn't lengthen you wouldn't lengthen he wouldn't lengthen we wouldn't lengthen you wouldn't lengthen they wouldn't lengthen	I wouldn't be lengthening you wouldn't be lengthening he wouldn't be lengthening we wouldn't be lengthening you wouldn't be lengthening they wouldn't be lengthening
Perfect	V-ing perfect
I wouldn't have lengthened you wouldn't have lengthened he wouldn't have lengthened we wouldn't have lengthened you wouldn't have lengthened they wouldn't have lengthened	I wouldn't have been lengthening you wouldn't have been lengthening he wouldn't have been lengthening we wouldn't have been lengthening you wouldn't have been lengthening they wouldn't have been lengthening

Interrogative form

Simple form	V-ing form
would I lengthen? would you lengthen? would he lengthen? would we lengthen? would you lengthen? would they lengthen?	would I be lengthening? would you be lengthening? would he be lengthening? would we be lengthening? would you be lengthening? would they be lengthening?
Perfect	V-ing perfect
would I have lengthened? would you have lengthened? would he have lengthened? would we have lengthened? would you have lengthened? would they have lengthened?	would I have been lengthening? would you have been lengthening? would he have been lengthening? would we have been lengthening? would you have been lengthening? would they have been lengthening?

Interro-negative form

Simple form	V-ing form
wouldn't I lengthen? wouldn't you lengthen? wouldn't he lengthen? wouldn't we lengthen? wouldn't you lengthen? wouldn't they lengthen?	wouldn't I be lengthening? wouldn't you be lengthening? wouldn't he be lengthening? wouldn't we be lengthening? wouldn't you be lengthening? wouldn't they be lengthening?
Perfect	V-ing perfect
wouldn't I have lengthened? wouldn't you have lengthened? wouldn't he have lengthened? wouldn't we have lengthened? wouldn't you have lengthened? wouldn't they have lengthened?	wouldn't I have been lengthening? wouldn't you have been lengthening? wouldn't he have been lengthening? wouldn't we have been lengthening? wouldn't you have been lengthening? wouldn't they have been lengthening?