should persist
Verbo regular: persist - persisted- persisted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should persist
you should persist
he should persist
we should persist
you should persist
they should persist 	I should be persisting
you should be persisting
he should be persisting
we should be persisting
you should be persisting
they should be persisting	I should have persisted
you should have persisted
he should have persisted
we should have persisted
you should have persisted
they should have persisted	I should have been persisting
you should have been persisting
he should have been persisting
we should have been persisting
you should have been persisting
they should have been persisting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not persist
you should not persist
he should not persist
we should not persist
you should not persist
they should not persist 	I should not be persisting
you should not be persisting
he should not be persisting
we should not be persisting
you should not be persisting
they should not be persisting	I should not have persisted
you should not have persisted
he should not have persisted
we should not have persisted
you should not have persisted
they should not have persisted	I should not have been persisting
you should not have been persisting
he should not have been persisting
we should not have been persisting
you should not have been persisting
they should not have been persisting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I persist?
should you persist?
should he persist?
should we persist?
should you persist?
should they persist? 	should I be persisting?
should you be persisting?
should he be persisting?
should we be persisting?
should you be persisting?
should they be persisting? 	should I have persisted?
should you have persisted?
should he have persisted?
should we have persisted?
should you have persisted?
should they have persisted? 	should I have been persisting?
should you have been persisting?
should he have been persisting?
should we have been persisting?
should you have been persisting?
should they have been persisting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not persist?
should you not persist?
should he not persist?
should we not persist?
should you not persist?
should they not persist? 	should I not be persisting?
should you not be persisting?
should he not be persisting?
should we not be persisting?
should you not be persisting?
should they not be persisting? 	should I not have persisted?
should you not have persisted?
should he not have persisted?
should we not have persisted?
should you not have persisted?
should they not have persisted? 	should I not have been persisting?
should you not have been persisting?
should he not have been persisting?
should we not have been persisting?
should you not have been persisting?
should they not have been persisting?