In minecarft I want to get better at PvP because I'm stuck with bronze V and IV do you have any good tips or do you know videos where there are good tips and tricks?
Practice Practice Practice. The best thing to do is to look for players who are better than you. That's where you make the most progress.
Just practice, practice and practice
See how good people play on YOUTUBE or Twitch, otherwise practice, practice and practice.
There are several combo-tag attacks, I think you already know it, but W-Tab is very easy, if you don't know it just comment