I'd be preformulating you'd be preformulating she'd be preformulating we'd be preformulating you'd be preformulating they'd be preformulating
Perfecto
I should've preformulated you should've preformulated she should've preformulated we should've preformulated you should've preformulated they should've preformulated
Perfecto con V-ing
I should've been preformulating you should've been preformulating she should've been preformulating we should've been preformulating you should've been preformulating they should've been preformulating
Negación
Forma simple
I shouldn't preformulate you shouldn't preformulate she shouldn't preformulate we shouldn't preformulate you shouldn't preformulate they shouldn't preformulate
Forma con V-ing
I shouldn't be preformulating you shouldn't be preformulating she shouldn't be preformulating we shouldn't be preformulating you shouldn't be preformulating they shouldn't be preformulating
Perfecto
I shouldn't have preformulated you shouldn't have preformulated she shouldn't have preformulated we shouldn't have preformulated you shouldn't have preformulated they shouldn't have preformulated
Perfecto con V-ing
I shouldn't have been preformulating you shouldn't have been preformulating she shouldn't have been preformulating we shouldn't have been preformulating you shouldn't have been preformulating they shouldn't have been preformulating
Forma interrogativa
Forma simple
should I preformulate? should you preformulate? should she preformulate? should we preformulate? should you preformulate? should they preformulate?
Forma con V-ing
should I be preformulating? should you be preformulating? should she be preformulating? should we be preformulating? should you be preformulating? should they be preformulating?
Perfecto
should I have preformulated? should you have preformulated? should she have preformulated? should we have preformulated? should you have preformulated? should they have preformulated?
Perfecto con V-ing
should I have been preformulating? should you have been preformulating? should she have been preformulating? should we have been preformulating? should you have been preformulating? should they have been preformulating?
Forma interro-negativa
Forma simple
shouldn't I preformulate? shouldn't you preformulate? shouldn't she preformulate? shouldn't we preformulate? shouldn't you preformulate? shouldn't they preformulate?
Forma con V-ing
shouldn't I be preformulating? shouldn't you be preformulating? shouldn't she be preformulating? shouldn't we be preformulating? shouldn't you be preformulating? shouldn't they be preformulating?
Perfecto
shouldn't I have preformulated? shouldn't you have preformulated? shouldn't she have preformulated? shouldn't we have preformulated? shouldn't you have preformulated? shouldn't they have preformulated?
Perfecto con V-ing
shouldn't I have been preformulating? shouldn't you have been preformulating? shouldn't she have been preformulating? shouldn't we have been preformulating? shouldn't you have been preformulating? shouldn't they have been preformulating?