Indirect speech - imperative sentence.
A sentence which expresses command, request, advice or suggestion is called imperative sentence.
• Open the door.
• Please help me.
• Learn your lesson.
To change such sentences into indirect speech, the word “ordered” or “requested” or “advised” or “suggested” or “forbade” or “not to do” is added to reporting verb depending upon nature of imperative sentence in reported speech.
Direct speech: He said to me, “please help me”
Indirect Speech: He requested me to help him.
Direct speech: The teacher said to student, “do not waste time”
Indirect Speech: The teacher advised the students not to waste time.
Direct speech: He said, “please give me glass of water”
Indirect Speech: He requested to give him a glass of water.