1.We asked him:"What has happened to you?" - We asked him what had happened to him. - Мы спросили его, что с ним случилось.
2.They said to me:"Try this coat on before buying it" - They said to me to try that coat on before buying it. - Они сказали мне примерить пальто перед тем, как купить его.
3.An unfamilar voice said:"Is that Ann speaking?" - An unfamilar voice asked if that Ann was speaking. - незнакомый голос спросил, Анна ли это говорит.
4.The professor said to his assistant: "You have made great progress" - The professor said to his assistant that he had made great progress. - Профессор сказал своему ассистенту, что он делает большие успехи.