Exercise of Japanese Polite form（けいご）

Have you ever learned Japanese polite form (けいご)?

Please don’t frown at me, because even Japanese people cannot use けいご correctly.
We all know that けいご is really really difficult to learn, but we also know that けいご is a wonderful tool to communicate with Japanese people.
Let’s do some exercise now! Here we go!

How was it? You may think you still have a long way to go.
But you don’t have to learn them all in such a short time, because けいご is what you will learn in the process of communicating with many people. So please don’t be in hurry, and keep learning けいご with joy.