āmanū
believe
V – 3rd person masculine plural (form IV) perfect verb + PRON – subject pronoun waw
Root Link: ا م ن
taqūlūna
(do) you say
V – 2nd person masculine plural imperfect verb + PRON – subject pronoun ūna
Root Link: ق و ل
tafʿalūna
you do
V – 2nd person masculine plural imperfect verb + PRON – subject pronoun ūna
Root Link: ف ع ل