qālū
They said
V – 3rd person masculine plural perfect verb + PRON – subject pronoun waw
Root Link: ق و ل
āmannā
We believe
V – 1st person plural (form IV) perfect verb + PRON – 1st person plural object pronoun nā
Root Link: ا م ن
l-ʿālamīna
(of) the worlds
DET – determiner prefix al + N – genitive masculine plural noun
Root Link: ع ل م