Common mistakes
The root begins with و. In the present it drops out entirely: وَصَلَ becomes يَصِلُ, and the imperative is simply صِلْ.
يَوْرِثُ → يَرِثُ Present: heأَوْرِثُ → أَرِثُ Present: Iيَوْرِثُونَ → يَرِثُونَ Present: they (m.)تَوْرِثِينَ → تَرِثِينَ Present: you (f.)