1. He said to her, “You are my friend.”

⇒ He told her she was his friend.

2. Johnny said to his mother, “I don’t know how to do this exercise.”

⇒ Johnny told his mother he didn't know how to do that exercise.

3. “ Don’t come back before one o’clock”, advised my brother.

⇒ My brother advised me not to come back before one o'clock.

4. “Cook it in butter”, Mrs Brown said to her daughter.

⇒ Mrs Brown told her daughter to cook it in butter.

5. The pupils said “ Teacher, give us better marks, please.”

⇒ The pupils told their teacher to give them better mark.

6. My friend said, “ Are you going to leave tomorrow?”

⇒ My friend asked me if I was going to leave the next day.

7. “ Have you done your homework?”, said my mother.

⇒ My mother asked me if I had done my homework.

8. I asked Bill,” What time did you go to bed last night?”

⇒ I asked Bill what time he had gone to bed the previous night/ the night before.

9. Paul said, “ I must go home now.”

⇒ Paul said he had to go home then.

10. “ There is an accident .”, said the policeman.

⇒ The policeman said there was an accident.

III.

1. He told her she was his friend.

2. Johnny told his mother he didn't know how to do that exercise.

3. My brother advise not to come back before one o’clock.

4. Mrs Brown told her daughter to cook it in butter.

5. The pupils told the teacher to give them better marks.

6. My friend asked if I was  going to leave the following day.

7. My mother asked if I had done my homework.

8. I asked Bill what time he had gone to bed the period night.

9. Paul said he had to go home then.

10. The policeman said there was an accident.