ExpressionConstruction
إِنَّ اللَّهَ جَمِيلٌاللَّهَ noun of inna; جَمِيلٌ predicate
إِنَّ لِكُلِّ شَيْءٍ شِرَّةًPreposed prepositional predicate; delayed noun شِرَّةً
إِنَّ الشَّيْطَانَ يَجْرِيالشَّيْطَانَ noun; verbal-clause predicate
إِنَّ نَفْسًا لَنْ تَمُوتَنَفْسًا noun; predicate expressed as a verbal clause
The same emphatic particle appears with different syntactic structures. Grammar should clarify the meaning of its own narration, not become a detached exercise.