I'd be backcrossing you'd be backcrossing she'd be backcrossing we'd be backcrossing you'd be backcrossing they'd be backcrossing
Perfeito
I should've backcrossed you should've backcrossed she should've backcrossed we should've backcrossed you should've backcrossed they should've backcrossed
Perfeito com V-ing
I should've been backcrossing you should've been backcrossing she should've been backcrossing we should've been backcrossing you should've been backcrossing they should've been backcrossing
Negação
Forma simple
I shouldn't backcross you shouldn't backcross she shouldn't backcross we shouldn't backcross you shouldn't backcross they shouldn't backcross
Forma com V-ing
I shouldn't be backcrossing you shouldn't be backcrossing she shouldn't be backcrossing we shouldn't be backcrossing you shouldn't be backcrossing they shouldn't be backcrossing
Perfeito
I shouldn't have backcrossed you shouldn't have backcrossed she shouldn't have backcrossed we shouldn't have backcrossed you shouldn't have backcrossed they shouldn't have backcrossed
Perfeito com V-ing
I shouldn't have been backcrossing you shouldn't have been backcrossing she shouldn't have been backcrossing we shouldn't have been backcrossing you shouldn't have been backcrossing they shouldn't have been backcrossing
Forma interrogativa
Forma simple
should I backcross? should you backcross? should she backcross? should we backcross? should you backcross? should they backcross?
Forma com V-ing
should I be backcrossing? should you be backcrossing? should she be backcrossing? should we be backcrossing? should you be backcrossing? should they be backcrossing?
Perfeito
should I have backcrossed? should you have backcrossed? should she have backcrossed? should we have backcrossed? should you have backcrossed? should they have backcrossed?
Perfeito com V-ing
should I have been backcrossing? should you have been backcrossing? should she have been backcrossing? should we have been backcrossing? should you have been backcrossing? should they have been backcrossing?
Forma interro-Negação
Forma simple
shouldn't I backcross? shouldn't you backcross? shouldn't she backcross? shouldn't we backcross? shouldn't you backcross? shouldn't they backcross?
Forma com V-ing
shouldn't I be backcrossing? shouldn't you be backcrossing? shouldn't she be backcrossing? shouldn't we be backcrossing? shouldn't you be backcrossing? shouldn't they be backcrossing?
Perfeito
shouldn't I have backcrossed? shouldn't you have backcrossed? shouldn't she have backcrossed? shouldn't we have backcrossed? shouldn't you have backcrossed? shouldn't they have backcrossed?
Perfeito com V-ing
shouldn't I have been backcrossing? shouldn't you have been backcrossing? shouldn't she have been backcrossing? shouldn't we have been backcrossing? shouldn't you have been backcrossing? shouldn't they have been backcrossing?