It should be easy to understand, and students need to leave some copying homework after class, and then do some analysis according to the problems in the homework.
There may be some difficulties at first. After a few classes, write some teaching experience, and you will gradually enter the state. Also tell children some stories about calligraphers. Wang Xizhi, Sun, Yan Zhenqing, Huang Tingjian, Mi Fei and Cao are all famous calligraphers.