[جواد عوض]

معلشى يا اميرة لى تعديل على جملتك دى عند تحويل الما ضى التام المستمر للمجهول يكون الفعل زى الماضى التام فى المجهول بالضبط(had been+pp)
Chef Jones had been preparing the restaurant's fantastic dinners for two years, before he moved to Paris. ACTIVE

The restaurant's fantastic dinners had been being prepared by Chef Jones for two years before he moved to Paris. PASSIVE

الصح هو
The restaurant's fantastic dinners had been prepared by Chef Jones for two years before he moved to Paris.
PASSIVE