Answer:
1) The players said that their captain had injured himself badly.
2) The doctor told the patient not to smoke anymore.
3) My friend proposed to me that we should meet the captain.
4) The mother said that the rain would soon stop and that we could go out to play.
5) The man asked the policewoman if she could show him the way to the station.
Explanation:
There are two ways to relay someone's words:
You can see some examples that could help you with the conversion of direct speech into indirect speech below. An important thing to be careful about are the tenses, as they often change in indirect speech.