should start
Verbo regular: start - started- started

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd start
you'd start
she'd start
we'd start
you'd start
they'd start 	I'd be starting
you'd be starting
she'd be starting
we'd be starting
you'd be starting
they'd be starting	I should've started
you should've started
she should've started
we should've started
you should've started
they should've started	I should've been starting
you should've been starting
she should've been starting
we should've been starting
you should've been starting
they should've been starting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't start
you shouldn't start
she shouldn't start
we shouldn't start
you shouldn't start
they shouldn't start 	I shouldn't be starting
you shouldn't be starting
she shouldn't be starting
we shouldn't be starting
you shouldn't be starting
they shouldn't be starting	I shouldn't have started
you shouldn't have started
she shouldn't have started
we shouldn't have started
you shouldn't have started
they shouldn't have started	I shouldn't have been starting
you shouldn't have been starting
she shouldn't have been starting
we shouldn't have been starting
you shouldn't have been starting
they shouldn't have been starting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I start?
should you start?
should she start?
should we start?
should you start?
should they start? 	should I be starting?
should you be starting?
should she be starting?
should we be starting?
should you be starting?
should they be starting? 	should I have started?
should you have started?
should she have started?
should we have started?
should you have started?
should they have started? 	should I have been starting?
should you have been starting?
should she have been starting?
should we have been starting?
should you have been starting?
should they have been starting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I start?
shouldn't you start?
shouldn't she start?
shouldn't we start?
shouldn't you start?
shouldn't they start? 	shouldn't I be starting?
shouldn't you be starting?
shouldn't she be starting?
shouldn't we be starting?
shouldn't you be starting?
shouldn't they be starting? 	shouldn't I have started?
shouldn't you have started?
shouldn't she have started?
shouldn't we have started?
shouldn't you have started?
shouldn't they have started? 	shouldn't I have been starting?
shouldn't you have been starting?
shouldn't she have been starting?
shouldn't we have been starting?
shouldn't you have been starting?
shouldn't they have been starting?