إعراب أصبح الطالب يسعي لتحقيق هدفه

The student became determined to achieve his goal. “أصبح” is a past tense verb indicating a shift in the student’s focus. “الطالب” is the subject, in the nominative case with a visible alif on the end. “يسعى” is a present tense verb, in the nominative case with a implied subject, indicating continuous effort. “تحقيق” is a noun, in the accusative case with a kasra on the end. “هدفه” is the object, in the accusative case with a fatha on the end. The pronoun “ه” refers to the student’s goal. The phrase “يسعى لتحقيق هدفه” functions as the predicate after “أصبح.”