To report commands, requests, suggestions and instructions, etc., in reported speech we use an appropriate reporting verb (advise, ask, order, suggest, tell, etc.) and the to-infinitive, that-clause or -ing form.
1. “Be quiet”, the teacher said.
The teacher told us to be quiet.
2. “Will you help me cook dinner?” the mother said to her daughter.
The mother asked her daughter to help her cook dinner.
“I like this film because it is exciting”.
“The manager will be back tomorrow”.
“I didn’t take your camera”.
“I am the best chess-player in our city”.
“You must visit this exhibition”.
“Let’s go sightseeing here”.
She explained that she liked the film because it was exciting.
He informed us that the manager would be back the next day.
She denied that she had taken my camera.
He boasted that he was the best chess-player in their city.
She insisted that I must (had to) visit the exhibition.
She suggested that we should go sightseeing there.
“You should eat less sweets”.
“Could you open the window”.
“Stop talking, children”.
“Don’t forget to call me”.
“Nobody can help you”.
She advised me to eat less sweets.
She asked me to open the window.
She ordered the children to stop talking.
She reminded me not to forget to call her.
They warned me that nobody could help me.