Bagaimana aturan parallel struture dalam kalimat bahasa Inggris serta bagaimana contoh kalimatnya?

Dalam menulis kalimat bahasa Inggris, secara tata bahasa semua komponen haruslah serasi (parallel) ketika komponen-komponen itu berada dalam bentuk daftar atau seri, misalnya: kata benda (noun)+kata benda (noun), kata kerja 1 (verb 1)+kata kerja 1 (verb 1), kata sifat (adjective)+kata sifat (adjective), kata keterangan (adverb)+kata keterangan (adverb), dan lain sebagainya.

Contoh:

• Parallel: Mr. Simon is rich, kind, and honest.
  Not Parallel: Mr. Simon, rich, kind, and slowly.
• Parallel: He is a engineer, a businessman, and a politician.
  Not Parallel: He is an engineer, a businessman, and he teaches.
• Parallel: Dianna works slowly and silent.
  Not Parallel: Dianna works slowly and silently.
• Parallel: I like to study, to swim, and to run.
  Not Parallel: I like to study, swim, and running.
• Parallel: She has to decide going to university, or to get a job.
  Not Parallel: She has to decide going to university, or getting a job.
• Parallel: Brigitta entered the class room, sat down, and opened her book.
  Not Parallel: Sam sat down, and opening his bag.