Shiavault - a Vault of Shia Islamic Books A Hundred and One Rules in Arabic Grammar! The Phonological Environment for Form VIII Verb =================================================== Thecharacteristic feature of Form VIII is the reflexive affix /** ـتـَ** / which is inserted after the first radical of the root. That /** ـتـَ** / will create the environment for a phonological rule of assimilation that applies itself if the first radical is a dental stop or fricative.
The result is that the inserted /** ـتـَ** / is assimilated. Involved here are the following consonants: **ت ث د ذ ز ص ض ط ظ** Compare the following examples: (a) a fully pronounced /** ـتـَ** / جَمَعَ إجتَمَعَ (b) a fully assimilated /** ـتـَ** / زادَ - إزدادَ ، دَعا - إدَّعی Luckily, Arabic does not have many verbs of this type. However, you need to remember the three following related phonological rules: (1).