1) Minh said, "I'm waiting for my father, mom"

→ Minh told his mom that he was waiting for his father.

2) My youngest sister said,"I've never been here before."

→ My youngest sister said that she had never been there before.

3) I've been learning Chinese for 5 years", said her father.

→ Her father told her that he had been learning Chinese for 5 years.

4) They said."We bought this for few years ago."

→ They told me that they had bought that for few years before.

5) He said, "I was watching TV at 8 last night"

→ He said me that he had been watching TV at 8 the previous night.

6) She said, "I'll give him this letter as soon as he comes here."

→ She said me that she would give him that letter as soon as he came there.

7) John said to Anna, "I'm going to help your son with his English lesson tomorrow"

→ John told Anna that he was going to help her son with his English lesson the next day.

8) She said,"You can sit here, boy."

→ She said the boy that he could sit there.

9) He said,"I must finish this report by next week."

→ He said me that he had to finish that report by the next week.

1) Minh said, "I'm waiting for my father, mom."

--> Minh told to his mother that he was waiting for his father

2) My youngest sister said, "I've never been here before."

--> My youngest sister said she had never been there before

3) I've been learning Chinese for 5 years", said her father.

--> Her father told that he had been learning Chinese for 5 years

4) They said."We bought this for few years ago."

--> They told that they had bought that for few years ago

5) He said, "I was watching TV at 8 last night"

--> He said that he had been watching TV at 8 last night

6) She said, "I'll give him this letter as soon as he comes here."

--> She said that she would give him that letter as soon as he came there

7) John said to Anna, "I'm going to help your son with his English lesson tomorrow"

--> He said to Anna that he was going to help her son with his English lesson the following day

8) She said,"You can sit here, boy."

--> She said to the boy that he could sit there

9) He said,"I must finish this report by next week."

--> He said he had to finish that report by following week