1. "I don't like this picture very much," he said. → He said that he didn't like that picture very much.
2. She doesn't have enough money, so she can't buy those books. => If she had enough money, she could buy those books.
3. Most people had left before the volcano erupted. => After most people had left, the volcano erupted.
4. The earthquake destroyed many houses many years ago. => Many houses were destroyed by the earthquake many years ago.
5. Ly said: "I will visit Hue this summer vacation." => Ly said that she would visit Hue that summer vacation.
6. "We don't open the laboratory today," Mr.Minh said. → Mr. Minh said that they didn't open the laboratory that day.
7. They will widen the gate to let the cars run into the yard easily. → The gate will be widened to let the cars run into the yard easily.
8. "We are waiting for the school bus", said the children. => The children said that they were waiting for the school bus.
9. They built a new bridge over the river. A new bridge was built over the river.
10. "Where does your brother work?" she asked me. → She asked me where my brother worked.
11. "I will hand my assignment to the teacher tomorrow." => Mai said that she would hand her assignment to the teacher the next day.
12. They have seen these films many times. => These films have been seen by them many times.
13. I don't have a map, so I can't show you the way. => If I had a map, I could show you the way.
14. Minh said that he would send his email to the teacher the next day. => Minh said that he would send his email to the teacher the following day.
15. "I will ........" (missing information)
16. Nga told Ba "I met my old darling yesterday."=> Nga told Ba that she had met her old darling the day before.