should smile
Verbo regular: smile - smiled- smiled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd smile
you'd smile
she'd smile
we'd smile
you'd smile
they'd smile 	I'd be smiling
you'd be smiling
she'd be smiling
we'd be smiling
you'd be smiling
they'd be smiling	I should've smiled
you should've smiled
she should've smiled
we should've smiled
you should've smiled
they should've smiled	I should've been smiling
you should've been smiling
she should've been smiling
we should've been smiling
you should've been smiling
they should've been smiling	

Negación 	
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I shouldn't smile
you shouldn't smile
she shouldn't smile
we shouldn't smile
you shouldn't smile
they shouldn't smile 	I shouldn't be smiling
you shouldn't be smiling
she shouldn't be smiling
we shouldn't be smiling
you shouldn't be smiling
they shouldn't be smiling	I shouldn't have smiled
you shouldn't have smiled
she shouldn't have smiled
we shouldn't have smiled
you shouldn't have smiled
they shouldn't have smiled	I shouldn't have been smiling
you shouldn't have been smiling
she shouldn't have been smiling
we shouldn't have been smiling
you shouldn't have been smiling
they shouldn't have been smiling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I smile?
should you smile?
should she smile?
should we smile?
should you smile?
should they smile? 	should I be smiling?
should you be smiling?
should she be smiling?
should we be smiling?
should you be smiling?
should they be smiling? 	should I have smiled?
should you have smiled?
should she have smiled?
should we have smiled?
should you have smiled?
should they have smiled? 	should I have been smiling?
should you have been smiling?
should she have been smiling?
should we have been smiling?
should you have been smiling?
should they have been smiling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I smile?
shouldn't you smile?
shouldn't she smile?
shouldn't we smile?
shouldn't you smile?
shouldn't they smile? 	shouldn't I be smiling?
shouldn't you be smiling?
shouldn't she be smiling?
shouldn't we be smiling?
shouldn't you be smiling?
shouldn't they be smiling? 	shouldn't I have smiled?
shouldn't you have smiled?
shouldn't she have smiled?
shouldn't we have smiled?
shouldn't you have smiled?
shouldn't they have smiled? 	shouldn't I have been smiling?
shouldn't you have been smiling?
shouldn't she have been smiling?
shouldn't we have been smiling?
shouldn't you have been smiling?
shouldn't they have been smiling?