Chuyển thành câu gián tiếp: "I will play football this afternoon" Peter said

1."I will play football this afternoon" Peter said
--> Peter said
2." I'm working in a restaurant ", she said
-->She said that
3." I live in a small house with my parents, " Tom said
--> Tom said
4. " I can solve this math problem " , said my sister
--> My sister said