For a yes/no question, place أَ or هَلْ at the beginning of the nominal sentence. The grammatical arrangement inside the sentence does not change.
Statement
Question
Meaning
زَيْدٌ صَالِحٌ
أَزَيْدٌ صَالِحٌ؟
Is Zayd righteous?
زَيْدٌ صَالِحٌ
هَلْ زَيْدٌ صَالِحٌ؟
Is Zayd righteous?
الرَّجُلُ صَالِحٌ
هَلِ الرَّجُلُ صَالِحٌ؟
Is the man righteous?