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.
لَقِيُوا → لَقُوا Past: they (m.)يَلْقَيُ → يَلْقَى Present: heأَلْقَيُ → أَلْقَى Present: Iيَلْقَيُونَ → يَلْقَوْنَ Present: they (m.)