Question

13. "I am all right. I feel better now", the patient said.
14. "If it is possible I will return in time", he said.
15. Her sister said to me: "She is still doing her homework"
В косвеную речь

Answer 1

13. The patient said he was alright and felt better
14. He said he will return it in time if it would be possible.
15. Her sister told me that she still was doing her homework.

Answer 2

13The patient said he was all right and he felt  better then.
14.He said he would return in time if if was possible.
15Her sister said to me she was still doing her homework.