should sigh
Verbo regular: sigh - sighed- sighed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd sigh
you'd sigh
he'd sigh
we'd sigh
you'd sigh
they'd sigh 	I'd be sighing
you'd be sighing
he'd be sighing
we'd be sighing
you'd be sighing
they'd be sighing	I should've sighed
you should've sighed
he should've sighed
we should've sighed
you should've sighed
they should've sighed	I should've been sighing
you should've been sighing
he should've been sighing
we should've been sighing
you should've been sighing
they should've been sighing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't sigh
you shouldn't sigh
he shouldn't sigh
we shouldn't sigh
you shouldn't sigh
they shouldn't sigh 	I shouldn't be sighing
you shouldn't be sighing
he shouldn't be sighing
we shouldn't be sighing
you shouldn't be sighing
they shouldn't be sighing	I shouldn't have sighed
you shouldn't have sighed
he shouldn't have sighed
we shouldn't have sighed
you shouldn't have sighed
they shouldn't have sighed	I shouldn't have been sighing
you shouldn't have been sighing
he shouldn't have been sighing
we shouldn't have been sighing
you shouldn't have been sighing
they shouldn't have been sighing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I sigh?
should you sigh?
should he sigh?
should we sigh?
should you sigh?
should they sigh? 	should I be sighing?
should you be sighing?
should he be sighing?
should we be sighing?
should you be sighing?
should they be sighing? 	should I have sighed?
should you have sighed?
should he have sighed?
should we have sighed?
should you have sighed?
should they have sighed? 	should I have been sighing?
should you have been sighing?
should he have been sighing?
should we have been sighing?
should you have been sighing?
should they have been sighing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I sigh?
shouldn't you sigh?
shouldn't he sigh?
shouldn't we sigh?
shouldn't you sigh?
shouldn't they sigh? 	shouldn't I be sighing?
shouldn't you be sighing?
shouldn't he be sighing?
shouldn't we be sighing?
shouldn't you be sighing?
shouldn't they be sighing? 	shouldn't I have sighed?
shouldn't you have sighed?
shouldn't he have sighed?
shouldn't we have sighed?
shouldn't you have sighed?
shouldn't they have sighed? 	shouldn't I have been sighing?
shouldn't you have been sighing?
shouldn't he have been sighing?
shouldn't we have been sighing?
shouldn't you have been sighing?
shouldn't they have been sighing?