YOU SAID:

Jayden is lying to his girlfriend who he is supposed to be honest with

INTO JAPANESE

ジェイデンは正直に話すべきガールフレンドに嘘をついている

BACK INTO ENGLISH

Jaden is lying to his girlfriend who should be honest

INTO JAPANESE

ジェイデンは正直であるべきガールフレンドに嘘をついている

BACK INTO ENGLISH

Jaden is lying to his girlfriend who should be honest