should prealter
Regular verb: prealter - prealtered- prealtered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd prealter
you'd prealter
she'd prealter
we'd prealter
you'd prealter
they'd prealter 	I'd be prealtering
you'd be prealtering
she'd be prealtering
we'd be prealtering
you'd be prealtering
they'd be prealtering	I should've prealtered
you should've prealtered
she should've prealtered
we should've prealtered
you should've prealtered
they should've prealtered	I should've been prealtering
you should've been prealtering
she should've been prealtering
we should've been prealtering
you should've been prealtering
they should've been prealtering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't prealter
you shouldn't prealter
she shouldn't prealter
we shouldn't prealter
you shouldn't prealter
they shouldn't prealter 	I shouldn't be prealtering
you shouldn't be prealtering
she shouldn't be prealtering
we shouldn't be prealtering
you shouldn't be prealtering
they shouldn't be prealtering	I shouldn't have prealtered
you shouldn't have prealtered
she shouldn't have prealtered
we shouldn't have prealtered
you shouldn't have prealtered
they shouldn't have prealtered	I shouldn't have been prealtering
you shouldn't have been prealtering
she shouldn't have been prealtering
we shouldn't have been prealtering
you shouldn't have been prealtering
they shouldn't have been prealtering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I prealter?
should you prealter?
should she prealter?
should we prealter?
should you prealter?
should they prealter? 	should I be prealtering?
should you be prealtering?
should she be prealtering?
should we be prealtering?
should you be prealtering?
should they be prealtering? 	should I have prealtered?
should you have prealtered?
should she have prealtered?
should we have prealtered?
should you have prealtered?
should they have prealtered? 	should I have been prealtering?
should you have been prealtering?
should she have been prealtering?
should we have been prealtering?
should you have been prealtering?
should they have been prealtering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I prealter?
shouldn't you prealter?
shouldn't she prealter?
shouldn't we prealter?
shouldn't you prealter?
shouldn't they prealter? 	shouldn't I be prealtering?
shouldn't you be prealtering?
shouldn't she be prealtering?
shouldn't we be prealtering?
shouldn't you be prealtering?
shouldn't they be prealtering? 	shouldn't I have prealtered?
shouldn't you have prealtered?
shouldn't she have prealtered?
shouldn't we have prealtered?
shouldn't you have prealtered?
shouldn't they have prealtered? 	shouldn't I have been prealtering?
shouldn't you have been prealtering?
shouldn't she have been prealtering?
shouldn't we have been prealtering?
shouldn't you have been prealtering?
shouldn't they have been prealtering?