قُلُوبٌ يَوْمَئِذٍ وَاجِفَةٌ ٨ أَبْصَـٰرُهَا خَـٰشِعَةٌ ٩ Why are وَاجِفَةٌ and خَـٰشِعَةٌ feminine singular?Surah An-Nazi'at — Part 1They are dual verbsThey describe non-human broken pluralsThey follow prepositionsThey are masculine plurals