should curb
Verbo regular: curb - curbed- curbed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd curb
you'd curb
he'd curb
we'd curb
you'd curb
they'd curb 	I'd be curbing
you'd be curbing
he'd be curbing
we'd be curbing
you'd be curbing
they'd be curbing	I should've curbed
you should've curbed
he should've curbed
we should've curbed
you should've curbed
they should've curbed	I should've been curbing
you should've been curbing
he should've been curbing
we should've been curbing
you should've been curbing
they should've been curbing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't curb
you shouldn't curb
he shouldn't curb
we shouldn't curb
you shouldn't curb
they shouldn't curb 	I shouldn't be curbing
you shouldn't be curbing
he shouldn't be curbing
we shouldn't be curbing
you shouldn't be curbing
they shouldn't be curbing	I shouldn't have curbed
you shouldn't have curbed
he shouldn't have curbed
we shouldn't have curbed
you shouldn't have curbed
they shouldn't have curbed	I shouldn't have been curbing
you shouldn't have been curbing
he shouldn't have been curbing
we shouldn't have been curbing
you shouldn't have been curbing
they shouldn't have been curbing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I curb?
should you curb?
should he curb?
should we curb?
should you curb?
should they curb? 	should I be curbing?
should you be curbing?
should he be curbing?
should we be curbing?
should you be curbing?
should they be curbing? 	should I have curbed?
should you have curbed?
should he have curbed?
should we have curbed?
should you have curbed?
should they have curbed? 	should I have been curbing?
should you have been curbing?
should he have been curbing?
should we have been curbing?
should you have been curbing?
should they have been curbing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I curb?
shouldn't you curb?
shouldn't he curb?
shouldn't we curb?
shouldn't you curb?
shouldn't they curb? 	shouldn't I be curbing?
shouldn't you be curbing?
shouldn't he be curbing?
shouldn't we be curbing?
shouldn't you be curbing?
shouldn't they be curbing? 	shouldn't I have curbed?
shouldn't you have curbed?
shouldn't he have curbed?
shouldn't we have curbed?
shouldn't you have curbed?
shouldn't they have curbed? 	shouldn't I have been curbing?
shouldn't you have been curbing?
shouldn't he have been curbing?
shouldn't we have been curbing?
shouldn't you have been curbing?
shouldn't they have been curbing?