should train
Regular verb: train - trained- trained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd train
you'd train
she'd train
we'd train
you'd train
they'd train 	I'd be training
you'd be training
she'd be training
we'd be training
you'd be training
they'd be training	I should've trained
you should've trained
she 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
she should've been training
we should've been training
you should've been training
they should've been training	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't train
you shouldn't train
she 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
she 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
she 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
she shouldn't have been training
we shouldn't have been training
you shouldn't have been training
they shouldn't have been training	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I train?
should you train?
should she train?
should we train?
should you train?
should they train? 	should I be training?
should you be training?
should she be training?
should we be training?
should you be training?
should they be training? 	should I have trained?
should you have trained?
should she 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 she have been training?
should we have been training?
should you have been training?
should they have been training? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I train?
shouldn't you train?
shouldn't she 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 she 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 she 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 she have been training?
shouldn't we have been training?
shouldn't you have been training?
shouldn't they have been training?