Change the given sentence into indirect speech.
The teacher said to the boys, "Work hard regularly.

Change the given sentence into indirect speech. He said, "Who did this?"

Change the given sentence into indirect speech. You said to her, "Who are you."

Change the given sentence into indirect speech. The teacher said, "Five plus five is ten."

Change the given sentence into indirect speech. The teacher said to you, "What have you done for the examination? "

Change the given sentence into indirect speech. She said, “What are you doing?

Change the given sentence into indirect speech. She said to me, "Where are you going?"

Change the given sentence into indirect speech. Marta said to him, "Who is your father? "

Change the given sentence into indirect speech. He said, "I was present."

Change the given sentence into indirect speech. He said, "I did it yesterday."

Change the sentence into indirect speech. The teacher says, "The girl was lazy."