should prevent
Verbo regolare: prevent - prevented- prevented

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I'd prevent
you'd prevent
he'd prevent
we'd prevent
you'd prevent
they'd prevent 	I'd be preventing
you'd be preventing
he'd be preventing
we'd be preventing
you'd be preventing
they'd be preventing	I should've prevented
you should've prevented
he should've prevented
we should've prevented
you should've prevented
they should've prevented	I should've been preventing
you should've been preventing
he should've been preventing
we should've been preventing
you should've been preventing
they should've been preventing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shouldn't prevent
you shouldn't prevent
he shouldn't prevent
we shouldn't prevent
you shouldn't prevent
they shouldn't prevent 	I shouldn't be preventing
you shouldn't be preventing
he shouldn't be preventing
we shouldn't be preventing
you shouldn't be preventing
they shouldn't be preventing	I shouldn't have prevented
you shouldn't have prevented
he shouldn't have prevented
we shouldn't have prevented
you shouldn't have prevented
they shouldn't have prevented	I shouldn't have been preventing
you shouldn't have been preventing
he shouldn't have been preventing
we shouldn't have been preventing
you shouldn't have been preventing
they shouldn't have been preventing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I prevent?
should you prevent?
should he prevent?
should we prevent?
should you prevent?
should they prevent? 	should I be preventing?
should you be preventing?
should he be preventing?
should we be preventing?
should you be preventing?
should they be preventing? 	should I have prevented?
should you have prevented?
should he have prevented?
should we have prevented?
should you have prevented?
should they have prevented? 	should I have been preventing?
should you have been preventing?
should he have been preventing?
should we have been preventing?
should you have been preventing?
should they have been preventing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shouldn't I prevent?
shouldn't you prevent?
shouldn't he prevent?
shouldn't we prevent?
shouldn't you prevent?
shouldn't they prevent? 	shouldn't I be preventing?
shouldn't you be preventing?
shouldn't he be preventing?
shouldn't we be preventing?
shouldn't you be preventing?
shouldn't they be preventing? 	shouldn't I have prevented?
shouldn't you have prevented?
shouldn't he have prevented?
shouldn't we have prevented?
shouldn't you have prevented?
shouldn't they have prevented? 	shouldn't I have been preventing?
shouldn't you have been preventing?
shouldn't he have been preventing?
shouldn't we have been preventing?
shouldn't you have been preventing?
shouldn't they have been preventing?