1 : my mother told me that she was sad then

=> my mother said, ''i am sad now''

2 : one of my friends said that she liked learning english with her teacher

=> ''i like learning english with my teacher'' one of my friends said

3 : the doctor told me that i could leave the hospital that day

=> the doctor said, ''i can leave the hospital today''

4 : the film director said that she was willing to work then

=> the film director said ''i am willing to work now''

5 : the teacher told his students that he would be busy the following month

=> the teacher told his students ''you will be busy next month''

6 : tom invited me to his birthday party

=> tom invited me ''come to my birthday party''

câu direct speech / câu trực tiếp : s + said / said to sb that / told sb + clause

nếu được thì cho tớ tlhn, 5sao và cảm ơn ạa <3