I'd be perduring you'd be perduring he'd be perduring we'd be perduring you'd be perduring they'd be perduring
Perfect
I would've perdured you would've perdured he would've perdured we would've perdured you would've perdured they would've perdured
V-ing perfect
I would've been perduring you would've been perduring he would've been perduring we would've been perduring you would've been perduring they would've been perduring
Negation
Simple form
I wouldn't perdure you wouldn't perdure he wouldn't perdure we wouldn't perdure you wouldn't perdure they wouldn't perdure
V-ing form
I wouldn't be perduring you wouldn't be perduring he wouldn't be perduring we wouldn't be perduring you wouldn't be perduring they wouldn't be perduring
Perfect
I wouldn't have perdured you wouldn't have perdured he wouldn't have perdured we wouldn't have perdured you wouldn't have perdured they wouldn't have perdured
V-ing perfect
I wouldn't have been perduring you wouldn't have been perduring he wouldn't have been perduring we wouldn't have been perduring you wouldn't have been perduring they wouldn't have been perduring
Interrogative form
Simple form
would I perdure? would you perdure? would he perdure? would we perdure? would you perdure? would they perdure?
V-ing form
would I be perduring? would you be perduring? would he be perduring? would we be perduring? would you be perduring? would they be perduring?
Perfect
would I have perdured? would you have perdured? would he have perdured? would we have perdured? would you have perdured? would they have perdured?
V-ing perfect
would I have been perduring? would you have been perduring? would he have been perduring? would we have been perduring? would you have been perduring? would they have been perduring?
Interro-negative form
Simple form
wouldn't I perdure? wouldn't you perdure? wouldn't he perdure? wouldn't we perdure? wouldn't you perdure? wouldn't they perdure?
V-ing form
wouldn't I be perduring? wouldn't you be perduring? wouldn't he be perduring? wouldn't we be perduring? wouldn't you be perduring? wouldn't they be perduring?
Perfect
wouldn't I have perdured? wouldn't you have perdured? wouldn't he have perdured? wouldn't we have perdured? wouldn't you have perdured? wouldn't they have perdured?
V-ing perfect
wouldn't I have been perduring? wouldn't you have been perduring? wouldn't he have been perduring? wouldn't we have been perduring? wouldn't you have been perduring? wouldn't they have been perduring?