lanā
for us
P – prefixed preposition lām + PRON – 1st person plural personal pronoun nā
Root Link: ل
ʿalaykum
over you
P – preposition + PRON – 2nd person masculine plural possessive pronoun kum
Root Link: ع ل ى
kuntum
you were
V – 2nd person masculine plural perfect verb + PRON – subject pronoun tum
Root Link: ك و ن