Change the ciliwung september iNto passive a. The student must return the books to the school library b. Ulin is reading the research paper thoroughly

• PASSIVE VOICE •
Keywords : present/future modal, present continuous


a. The student must return the books to the school library
→ the books must be returned by the student to the school library

• formula : O + modal + be + V3

b. Ulin is reading the research paper thoroughly
→ the research paper is being read by Ulin thoroughly

• formula : O + tobe + being + V3