يَقُولُونَ أَءِنَّا لَمَرْدُودُونَ فِى ٱلْحَافِرَةِ
Ayah summary
The deniers asked in disbelief whether they would be restored to their former state after death.
Sentence structure
يَقُولُونَ introduces their incredulous question. Inside it, أَ is interrogative, إِنَّا has نَا as its noun, and لَمَرْدُودُونَ is its emphatic predicate; فِى ٱلْحَافِرَةِ is linked to that predicate.
يَقُولُونَ — they say
Grammar: A third-person masculine plural imperfect verb, indicative by retention of nūn; attached wāw is its subject.
أَءِنَّا — are we indeed?
Grammar: أَ is the interrogative hamzah. إِنَّ is a particle of emphasis, and attached نَا is its pronoun-noun in the accusative position.
لَمَرْدُودُونَ — surely to be returned
Grammar: لَ is the emphatic lām. مَرْدُودُونَ is a masculine sound plural passive participle, nominative as the predicate of إِنَّ.
فِى — to / in
Grammar: A preposition linked to مَرْدُودُونَ.
ٱلْحَافِرَةِ — the former state
Grammar: A definite feminine singular noun made genitive by فِى, idiomatically referring to return to the original state of life.