1.My mom always tells me that I should study hard.
2.My mom tells me she has gone to Beijing.
3.My mom tells me she will go to Beijing.
4.My mom told me she had gone to Beijing.
5.My mom told me she would go to Beijing.
6.My mom tells me she is reading books.
7.My mom told me she was reading books.
(感觉有点缴.）