I want to practice running script, but I don't know how to write. What is the specific method? Whose copybook do you need to buy and how to use running script in practice?

There are certain rules for running scripts, not how to connect as you want. Pay attention to reading and pasting when practicing. Of course, pasting is also necessary, but there must be a principle, as the saying goes, "pasting begins with reading, pasting first", reading first, then pasting. As for whose copybook, just pick one you like in the market. In practice, we should also pay attention to the rules when using running script. For example, we often use running script when signing, and we can add our own style to our writing.