1. Phong asked Peter if he enjoyed reading
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi enjoy→enjoyed
2. Hoa asked Lan if she liked sports
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi like → liked
3. She asked Nam if his sister and brother went to the same school
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi go → went
4. She asked her mom if there were some oranges in the fridge
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi are → were
5. He asked his friend if it would rain the following morning
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi tomorrow morning → following morning
6. His friend asked him how he went to the airport
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi go → went
7. Lan asked Mai how much that dress costed
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi cost → costed, this → that
8. Ba asked tam how often he washed his clothes
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi wash → washed
9. Phong asked Thu when her father would leave Vietnam for America
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi will → would
10. The librarian asked my teacher how many books the students needed
→ Cấu trúc: S+ asked/wondered+ if/whether + S +V; đổi need → needed