should perdure
Verbe régulier : perdure - perdured- perdured

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should perdure
you should perdure
she should perdure
we should perdure
you should perdure
they should perdure 	I should be perduring
you should be perduring
she should be perduring
we should be perduring
you should be perduring
they should be perduring	I should have perdured
you should have perdured
she should have perdured
we should have perdured
you should have perdured
they should have perdured	I should have been perduring
you should have been perduring
she should have been perduring
we should have been perduring
you should have been perduring
they should have been perduring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not perdure
you should not perdure
she should not perdure
we should not perdure
you should not perdure
they should not perdure 	I should not be perduring
you should not be perduring
she should not be perduring
we should not be perduring
you should not be perduring
they should not be perduring	I should not have perdured
you should not have perdured
she should not have perdured
we should not have perdured
you should not have perdured
they should not have perdured	I should not have been perduring
you should not have been perduring
she should not have been perduring
we should not have been perduring
you should not have been perduring
they should not have been perduring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I perdure?
should you perdure?
should she perdure?
should we perdure?
should you perdure?
should they perdure? 	should I be perduring?
should you be perduring?
should she be perduring?
should we be perduring?
should you be perduring?
should they be perduring? 	should I have perdured?
should you have perdured?
should she have perdured?
should we have perdured?
should you have perdured?
should they have perdured? 	should I have been perduring?
should you have been perduring?
should she have been perduring?
should we have been perduring?
should you have been perduring?
should they have been perduring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not perdure?
should you not perdure?
should she not perdure?
should we not perdure?
should you not perdure?
should they not perdure? 	should I not be perduring?
should you not be perduring?
should she not be perduring?
should we not be perduring?
should you not be perduring?
should they not be perduring? 	should I not have perdured?
should you not have perdured?
should she not have perdured?
should we not have perdured?
should you not have perdured?
should they not have perdured? 	should I not have been perduring?
should you not have been perduring?
should she not have been perduring?
should we not have been perduring?
should you not have been perduring?
should they not have been perduring?