1. Nam said that he was told to be at school before 7 o’clock (HTĐ `->` QKĐ; I `->` he)
2. Thu said that all the students would have a meeting the following/next week (will + V(inf) `->` would + V(inf); next week `->` the following/next week)
3. Phong said that his parents were very proud of his good marks (HTĐ `->` QKĐ; my `->` his)
4. The teacher said that all the homework must/had to be done carefully (must `->` must/had to)
5. Her father said to her that she could go to the movie with her friend (can `->` could; you `->` she, your `->` her)
6. Hoa said that she might visit her parents in the summer (may `->` might; my `->` her)
7. The teacher said that they could collect old book for the poor students (can `->` could; we `->` they)
8. She said that she didn't buy that book (HTĐ `->` QKĐ; this `->` that)
9. The boys said that they had to try their best to win the match (HTĐ `->` QKĐ; we `->` they, our `->` their)
10. Her classmate said that Lan was the most intelligent girl in their class (HTĐ `->` QKĐ; our `->` their)
11. They told us that their friends would get the award for their highest scores (will + V(inf) `->` would + V(inf); our `->` their)
12. He said that he would go to school by bus the following/next day (will `->` would; I `->` he; tomorrow `->` the following/next day)
13. Phong said that he needed to learn more vocabulary (HTĐ `->` QKĐ; I `->` he)
14. His brother told him that he could use his brother's computer that day (can `->` could; my `->` his brother's; today `->` that day)
15. Mai said that she could not go to the movies with Nam (can `->` could; I `->` she, you `->` Nam)