lakunnā
Certainly we (would) have been
EMPH – emphatic prefix lām + V – 1st person plural perfect verb + PRON – 1st person plural object pronoun nā
Root Link: ك و ن
l-mukh'laṣīna
the chosen
DET – determiner prefix al + ADJ – accusative masculine plural (form IV) passive participle
Root Link: خ ل ص