1. We should plant trees around the school yard.
→ Trees should be planted around the school yard.
2. I don't have a laptop.
→ I wish I had a laptop.
3. "Are you using my pencil, Ba?" Hoa said.
→ Hoa asked Ba if he was using her pencil.
4. Study hard or you'll fail the exam.
→ If you don't study hard, you'll fail the exam.
5. I can't speak English well.
→ I wish I could speak English well.
6. "Where do you live?" Nam asked his teacher.
→ Nam asked his teacher where he/she lived.
7. "I will go to my village next year" Mr. Nam said.
→ Mr. Nam said that he would go to his village the next year.
8. My brother likes playing soccer every morning.
→ My brother is interested in playing soccer every morning.