Common mistakes
The root begins with و. In the present it drops out entirely: وَصَلَ becomes يَصِلُ, and the imperative is simply صِلْ.
يَوْلِدُ → يَلِدُ Present: heأَوْلِدُ → أَلِدُ Present: Iيَوْلِدُونَ → يَلِدُونَ Present: they (m.)تَوْلِدِينَ → تَلِدِينَ Present: you (f.)