Present participle as an attributive: In "Addiction to computer gaming", the present participle "gaming" is used as an attributive, describing the object of addiction, which increases the specificity and clarity of the sentence.
Simple present tense: In "It raises concerns about diminished productivity", the simple present tense is used to express a commonly existing phenomenon or state, which demonstrates the accurate use of basic tenses in IELTS speaking.
Modal verb: In "can severely disrupt their daily routines", the modal verb "can" is used to show possibility, demonstrating the appropriate use of modal verbs in IELTS speaking and enhancing the logical flow of the sentence.
Noun phrase: The use of "jeopardizing the equilibrium between personal and professional life" demonstrates mastery of complex structures, while providing detailed and specific information.