should contact
Verbo regular: contact - contacted- contacted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd contact
you'd contact
he'd contact
we'd contact
you'd contact
they'd contact 	I'd be contacting
you'd be contacting
he'd be contacting
we'd be contacting
you'd be contacting
they'd be contacting	I should've contacted
you should've contacted
he should've contacted
we should've contacted
you should've contacted
they should've contacted	I should've been contacting
you should've been contacting
he should've been contacting
we should've been contacting
you should've been contacting
they should've been contacting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't contact
you shouldn't contact
he shouldn't contact
we shouldn't contact
you shouldn't contact
they shouldn't contact 	I shouldn't be contacting
you shouldn't be contacting
he shouldn't be contacting
we shouldn't be contacting
you shouldn't be contacting
they shouldn't be contacting	I shouldn't have contacted
you shouldn't have contacted
he shouldn't have contacted
we shouldn't have contacted
you shouldn't have contacted
they shouldn't have contacted	I shouldn't have been contacting
you shouldn't have been contacting
he shouldn't have been contacting
we shouldn't have been contacting
you shouldn't have been contacting
they shouldn't have been contacting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I contact?
should you contact?
should he contact?
should we contact?
should you contact?
should they contact? 	should I be contacting?
should you be contacting?
should he be contacting?
should we be contacting?
should you be contacting?
should they be contacting? 	should I have contacted?
should you have contacted?
should he have contacted?
should we have contacted?
should you have contacted?
should they have contacted? 	should I have been contacting?
should you have been contacting?
should he have been contacting?
should we have been contacting?
should you have been contacting?
should they have been contacting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I contact?
shouldn't you contact?
shouldn't he contact?
shouldn't we contact?
shouldn't you contact?
shouldn't they contact? 	shouldn't I be contacting?
shouldn't you be contacting?
shouldn't he be contacting?
shouldn't we be contacting?
shouldn't you be contacting?
shouldn't they be contacting? 	shouldn't I have contacted?
shouldn't you have contacted?
shouldn't he have contacted?
shouldn't we have contacted?
shouldn't you have contacted?
shouldn't they have contacted? 	shouldn't I have been contacting?
shouldn't you have been contacting?
shouldn't he have been contacting?
shouldn't we have been contacting?
shouldn't you have been contacting?
shouldn't they have been contacting?