1. "If you want to learn English, I can help you," John said.

- John said he could help me if I wanted to learn English. 
2. "Where are you studying?" Mr. Bruce asked.

- Mr. Bruce asked me where I was studying.

3. "Please call me at 6 o'clock tomorrow morning," said Mai.

- Mai asked me to call her at 6 o'clock the next morning.

4. "Are you interested in this Language Center?" asked Lan. 

- Lan asked me if I was interested in that Language Center. 

5. "We will spend our holiday in Da Lat next month," said Mrs. Chi.

- Mrs. Chi said that we would spend our holiday in Da Lat the next month. 

6. "Do you live here?" Liz asked.

- Liz asked me if I lived there. 

7. "What does your son want to learn?" the man said to Mr. Linh

- The man asked Mr.Linh what his son wanted to learn.

8. "You must come today," Hoa said.

- Hoa told me that I had to come that day.

9. "I don't understand what you are saying," Tom told us.

- Tom told us he didn't understand what we were saying.

10. "There isn't any information about these colleges," Nam said.

- Nam said there wasn't any information about those colleges.