Question

How to do pen shading

Answer 1

to do a pen Shading hold the pen lightly and better shading will happen is you use gel pen and little bent the pen and do shade with free hands

Answer 2

take A pen of a colour that leaves some ink when you keep the nip of the pen in one place and when u do that just flow the ink with gradations or just see on youtube either they will too do the same the much i know
thanks hope it helps
if you didnt got what i said read this again still not !?!!! then visit youtube.