ara-aytum
You see
INTG – prefixed interrogative alif + V – 2nd person masculine plural perfect verb + PRON – subject pronoun tum
Root Link: ر ا ى
kafartum
you disbelieve
V – 2nd person masculine plural perfect verb + PRON – subject pronoun tum
Root Link: ك ف ر
bihi
in it
P – prefixed preposition bi + PRON – 3rd person masculine singular personal pronoun hi
Root Link: ب