Common mistakes
The root ends in و or ي, and the endings themselves change. Three patterns cover it: دَعَا يَدْعُو, رَمَى يَرْمِي and نَسِيَ يَنْسَى.
لَاقَيَ → لَاقَى Past: heلَاقَيَتْ → لَاقَتْ Past: sheلَاقَيُوا → لَاقَوْا Past: they (m.)يُلَاقِيُ → يُلَاقِي Present: he