Use the same method with the third pattern:
قَرُبْنَا — we came near
ضَعُفَتْ — she became weak
كَرُمُوا — the men became noble
Recover قَرُبَ، ضَعُفَ، كَرُمَ and observe the ḍammah on the middle root letter.
Opening interactive controls...
Apply Familiar Endings to فَعُلَ
Three Past-Tense Patterns: فَعَلَ، فَعِلَ، فَعُلَ
Use the same method with the third pattern:
قَرُبْنَا — we came near
ضَعُفَتْ — she became weak
كَرُمُوا — the men became noble
Recover قَرُبَ، ضَعُفَ، كَرُمَ and observe the ḍammah on the middle root letter.