Давайте разберем каждое из предложений и преобразуем их в косвенную речь, используя соответствующие правила времен и конструкций.
1. "I work in a car factory," Laura told me.
Laura told me that she worked in a car factory.
2. "We don't go to school on Sundays," they said.
They said that they didn't go to school on Sundays.
3. "My son studies in a high institute," Sara told us.
Sara said that her son studied in a high institute.
4. "My daughter is getting married in summer," Sarah revealed.
Sarah revealed that her daughter was getting married in summer.
5. "The girls helped with the housework," Alice said.
Alice told me that the girls had helped with the housework.
6. "We didn't enjoy the show," my friends told me.
My friends said that they hadn't enjoyed the show.
7. "We scored 6 goals in the match," Messi said.
Messi told reporters that they had scored 6 goals in the match.
8. "I was expecting the promotion," Peter told us.
Peter told us that he had been expecting the promotion.
9. "We were dancing at 9 o'clock," my sisters said.
My sisters said that they had been dancing at 9 o'clock.
10. "I must pay the bills before Saturday," Mike said.
Mike said that he had to pay the bills before Saturday.
В таком виде переводятся данные предложения в косвенную речь, учитывая соответствующие правила изменения времен и конструкций в косвенной речи.