Common mistakes
The middle radical is و or ي. It stretches into a long vowel: قَالَ: and shortens before a consonant ending and in the jussive: قُلْتُ, لَمْ يَقُلْ.
أَرْوَدَ → أَرَادَ Past: heأَرْوَدَتْ → أَرَادَتْ Past: sheأَرْوَدْتَ → أَرَدْتَ Past: you (m.)أَرْوَدْتُ → أَرَدْتُ Past: I