1.she is a teacher.(he said).
He said (that) she was a teacher.
2does her aunt live in paris?(i am not sure).
I am not sure whether/if her aunt lives in Paris.
3is she in the classroom?(i asked)
I asked whether/if she was in the classroom.
4i have already finished my homework(he said)
He said (that) he had already finished his homewor.
5my son is having a cold.(she said)
She said (that) her son was having a cold.
6will it rain agian tomorrow?(i don't know)
I don't know whether/if it will rain again tomorrow.
7stop talking,children!(the teacher said)
The teacher told the children to stop talking.