هذا السؤال محلول في المحاضره السابعه او الرابعه ما ادري مو متأكده a
بس الحين في 13 الحل c ممكن توضيح ؟؟؟
(4) When we derive one word from another, we ………………a. Change its class, for example, from being a Verb into a Nounb. Change its tense, for example , from being Past into Presentc. Both of the aboved. None of the above