Nam said, "My uncle often plants the vegetables in the aftemoon."
=> . Nam said that his uncle often planted the vegetables in the aftemoon.
2. "My uncle will not plant the vegetables tomorrow afternoon", she said.
=> she said that her uncle would not plant the vegetables the next afternoon
3. "Mr and Mrs Pike have just read these newspapers", Nga said.
=> nga said Mr and Mrs Pike had just read those newspapers
4. She said, "I often listen to music at night."
=> She said she often listened to music at night.
5. Lan's mother said, "My daughter usually brushes her teeth before meals."
=> Lan's mother said her daughter usually brushed her teeth before meals
6. They said, "We have to do the assignments now.
=> They said that they had  to do the assignments then