should perdure
Verbo regular: perdure - perdured- perdured

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should perdure
you should perdure
he should perdure
we should perdure
you should perdure
they should perdure 	I should be perduring
you should be perduring
he should be perduring
we should be perduring
you should be perduring
they should be perduring	I should have perdured
you should have perdured
he 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
he should have been perduring
we should have been perduring
you should have been perduring
they should have been perduring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not perdure
you should not perdure
he 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
he 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
he 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
he should not have been perduring
we should not have been perduring
you should not have been perduring
they should not have been perduring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I perdure?
should you perdure?
should he perdure?
should we perdure?
should you perdure?
should they perdure? 	should I be perduring?
should you be perduring?
should he be perduring?
should we be perduring?
should you be perduring?
should they be perduring? 	should I have perdured?
should you have perdured?
should he 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 he have been perduring?
should we have been perduring?
should you have been perduring?
should they have been perduring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not perdure?
should you not perdure?
should he 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 he 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 he 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 he not have been perduring?
should we not have been perduring?
should you not have been perduring?
should they not have been perduring?