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.
عَوَدَ → عَادَ Past: heعَوَدَتْ → عَادَتْ Past: sheعَوَدْتَ → عُدْتَ Past: you (m.)عَوَدْتُ → عُدْتُ Past: I