Lihat Juga

• developing students' ability of the simple present tense through substitution drills (a classroom action research in the seventh grade of SMPN 6 Depok)
  oleh: Ridhatul Dewifartina
• Improving students ability in making simple present tense of positive, and interrogative sentence throught transformation drills (A classroom action research at seventh grade at MTs soebono Mantofani)
  oleh: NINGSIH, Sri Mulyati Widya
• Developing students ability in using subject verb agreement through substitution drill : a classroom action research at first grade of smpn 10 kota tangerang selatan
  oleh: WIDOWATI, Isti
• TEACHING AUXILIARY VERBS DO AND DOES IN SIMPLE PRESENT TENSE TO THE SEVENTH GRADE STUDENTS THROUGH SUBSTITUTION DRILL
  oleh: Sulfiani, Ade Eka
  Terbitan: (2015)
• Developing students' ability in using present continuous tense through contextual teaching learning ( A classroom action research in the seventh grade of SMP al-Mubarak Pondok Aren)
  oleh: Ulfianti Ulfa