don't I backcross? don't you backcross? doesn't she backcross? don't we backcross? don't you backcross? don't they backcross?
Présent continu
am I not backcrossing? aren't you backcrossing? isn't she backcrossing? aren't we backcrossing? aren't you backcrossing? aren't they backcrossing?
Prétérit
didn't I backcross? didn't you backcross? didn't she backcross? didn't we backcross? didn't you backcross? didn't they backcross?
Prétérit
wasn't I backcrossing? weren't you backcrossing? wasn't she backcrossing? weren't we backcrossing? weren't you backcrossing? weren't they backcrossing?
Present perfect
haven't I backcrossed? haven't you backcrossed? hasn't she backcrossed? haven't we backcrossed? haven't you backcrossed? haven't they backcrossed?
Present perfect continu
haven't I been backcrossing? haven't you been backcrossing? hasn't she been backcrossing? haven't we been backcrossing? haven't you been backcrossing? haven't they been backcrossing?
Pluperfect
hadn't I backcrossed? hadn't you backcrossed? hadn't she backcrossed? hadn't we backcrossed? hadn't you backcrossed? hadn't they backcrossed?
Pluperfect continu
hadn't I been backcrossing? hadn't you been backcrossing? hadn't she been backcrossing? hadn't we been backcrossing? hadn't you been backcrossing? hadn't they been backcrossing?
Futur
won't I backcross? won't you backcross? won't she backcross? won't we backcross? won't you backcross? won't they backcross?
Futur continu
won't I be backcrossing? won't you be backcrossing? won't she be backcrossing? won't we be backcrossing? won't you be backcrossing? won't they be backcrossing?
Futur antérieur
won't I have backcrossed? won't you have backcrossed? won't she have backcrossed? won't we have backcrossed? won't you have backcrossed? won't they have backcrossed?
Futur antérieur continu
won't I have been backcrossing? won't you have been backcrossing? won't she have been backcrossing? won't we have been backcrossing? won't you have been backcrossing? won't they have been backcrossing?
Conditionnel
Présent
wouldn't I backcross? wouldn't you backcross? wouldn't she backcross? wouldn't we backcross? wouldn't you backcross? wouldn't they backcross?
Présent continu
wouldn't I be backcrossing? wouldn't you be backcrossing? wouldn't she be backcrossing? wouldn't we be backcrossing? wouldn't you be backcrossing? wouldn't they be backcrossing?
Passé
wouldn't I have backcrossed? wouldn't you have backcrossed? wouldn't she have backcrossed? wouldn't we have backcrossed? wouldn't you have backcrossed? wouldn't they have backcrossed?
Passé continu
wouldn't I have been backcrossing? wouldn't you have been backcrossing? wouldn't she have been backcrossing? wouldn't we have been backcrossing? wouldn't you have been backcrossing? wouldn't they have been backcrossing?