should train
Verbo regular: train - trained- trained

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

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't train
you shouldn't train
he shouldn't train
we shouldn't train
you shouldn't train
they shouldn't train 	I shouldn't be training
you shouldn't be training
he shouldn't be training
we shouldn't be training
you shouldn't be training
they shouldn't be training	I shouldn't have trained
you shouldn't have trained
he shouldn't have trained
we shouldn't have trained
you shouldn't have trained
they shouldn't have trained	I shouldn't have been training
you shouldn't have been training
he shouldn't have been training
we shouldn't have been training
you shouldn't have been training
they shouldn't 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 	
shouldn't I train?
shouldn't you train?
shouldn't he train?
shouldn't we train?
shouldn't you train?
shouldn't they train? 	shouldn't I be training?
shouldn't you be training?
shouldn't he be training?
shouldn't we be training?
shouldn't you be training?
shouldn't they be training? 	shouldn't I have trained?
shouldn't you have trained?
shouldn't he have trained?
shouldn't we have trained?
shouldn't you have trained?
shouldn't they have trained? 	shouldn't I have been training?
shouldn't you have been training?
shouldn't he have been training?
shouldn't we have been training?
shouldn't you have been training?
shouldn't they have been training?