should preserve
Verbo regolare: preserve - preserved- preserved

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I'd preserve
you'd preserve
she'd preserve
we'd preserve
you'd preserve
they'd preserve 	I'd be preserving
you'd be preserving
she'd be preserving
we'd be preserving
you'd be preserving
they'd be preserving	I should've preserved
you should've preserved
she should've preserved
we should've preserved
you should've preserved
they should've preserved	I should've been preserving
you should've been preserving
she should've been preserving
we should've been preserving
you should've been preserving
they should've been preserving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shouldn't preserve
you shouldn't preserve
she shouldn't preserve
we shouldn't preserve
you shouldn't preserve
they shouldn't preserve 	I shouldn't be preserving
you shouldn't be preserving
she shouldn't be preserving
we shouldn't be preserving
you shouldn't be preserving
they shouldn't be preserving	I shouldn't have preserved
you shouldn't have preserved
she shouldn't have preserved
we shouldn't have preserved
you shouldn't have preserved
they shouldn't have preserved	I shouldn't have been preserving
you shouldn't have been preserving
she shouldn't have been preserving
we shouldn't have been preserving
you shouldn't have been preserving
they shouldn't have been preserving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I preserve?
should you preserve?
should she preserve?
should we preserve?
should you preserve?
should they preserve? 	should I be preserving?
should you be preserving?
should she be preserving?
should we be preserving?
should you be preserving?
should they be preserving? 	should I have preserved?
should you have preserved?
should she have preserved?
should we have preserved?
should you have preserved?
should they have preserved? 	should I have been preserving?
should you have been preserving?
should she have been preserving?
should we have been preserving?
should you have been preserving?
should they have been preserving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shouldn't I preserve?
shouldn't you preserve?
shouldn't she preserve?
shouldn't we preserve?
shouldn't you preserve?
shouldn't they preserve? 	shouldn't I be preserving?
shouldn't you be preserving?
shouldn't she be preserving?
shouldn't we be preserving?
shouldn't you be preserving?
shouldn't they be preserving? 	shouldn't I have preserved?
shouldn't you have preserved?
shouldn't she have preserved?
shouldn't we have preserved?
shouldn't you have preserved?
shouldn't they have preserved? 	shouldn't I have been preserving?
shouldn't you have been preserving?
shouldn't she have been preserving?
shouldn't we have been preserving?
shouldn't you have been preserving?
shouldn't they have been preserving?