should train
Verbo regular: train - trained- trained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should train
you should train
he should train
we should train
you should train
they should train 	I should be training
you should be training
he should be training
we should be training
you should be training
they should be training	I should have trained
you should have trained
he should have trained
we should have trained
you should have trained
they should have trained	I should have been training
you should have been training
he should have been training
we should have been training
you should have been training
they should have been training	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not train
you should not train
he should not train
we should not train
you should not train
they should not train 	I should not be training
you should not be training
he should not be training
we should not be training
you should not be training
they should not be training	I should not have trained
you should not have trained
he should not have trained
we should not have trained
you should not have trained
they should not have trained	I should not have been training
you should not have been training
he should not have been training
we should not have been training
you should not have been training
they should not have been training	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I train?
should you train?
should he train?
should we train?
should you train?
should they train? 	should I be training?
should you be training?
should he be training?
should we be training?
should you be training?
should they be training? 	should I have trained?
should you have trained?
should he have trained?
should we have trained?
should you have trained?
should they have trained? 	should I have been training?
should you have been training?
should he have been training?
should we have been training?
should you have been training?
should they have been training? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not train?
should you not train?
should he not train?
should we not train?
should you not train?
should they not train? 	should I not be training?
should you not be training?
should he not be training?
should we not be training?
should you not be training?
should they not be training? 	should I not have trained?
should you not have trained?
should he not have trained?
should we not have trained?
should you not have trained?
should they not have trained? 	should I not have been training?
should you not have been training?
should he not have been training?
should we not have been training?
should you not have been training?
should they not have been training?