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.
قَوَمَ → قَامَ Past: heقَوَمَتْ → قَامَتْ Past: sheقَوَمْتَ → قُمْتَ Past: you (m.)قَوَمْتُ → قُمْتُ Past: I