Chuyển từ câu câu trực tiếp sang gián tiếp dạng trần thuật: I don't want to stay at home now - my younger brother said. I don't know who she is - Tom said

1.“I don’t want to stay at home now” my younger brother said
2. “I don’t know who she is,” Tom said
3.Mai told us: "It’s raining heavily outside"
4. He said to his friends, "I must go home now"