Mr.smith makes the description of his job and researches his materials everywhere 1). ubah ke "Perfect tense" 2). ubah ke "past perfect tense" 3). ubah ke "perfect continuos tense" 4).ubah ke " past perfect continuos" 5). ubah ke " simple present continuos tense".
velind
Mr. smith has made the description of this job and researches his material everywhere Mr. smith had made the description of this job and researches his material everywhere Mr. smith had been making the description of this job and researches his material everywhere Mr. smith has made the description of this job and researches his material everywhere Mr. smith is making the description of this job and researches his material everywhere
Mr. smith had made the description of this job and researches his material everywhere
Mr. smith had been making the description of this job and researches his material everywhere
Mr. smith has made the description of this job and researches his material everywhere
Mr. smith is making the description of this job and researches his material everywhere