We ate dinner my parents in saturday.
We were come back home at 11:00 p.m
Kanchyo is bite on the shelf.
I am angryed and get punish.
I don't movement about twenty minute and self reflection.
It's heavy punish to Kanchyo Becouse Kanchyo isn't restless for a moment.

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We ate dinner my parents in saturday. = I ate dinner with my parents on Saturday.
We were come back home at 11:00 p.m = We came back home at 11:00 PM.
Kanchyo is bite on the shelf. = Kanchyo gnawed the shelf
I am angryed and get punish.= I got angry so I punished Kanchyo.
I don't movement about twenty minute and self reflection. = I didn't let Kanchyo move for twenty minutes so that he could do self reflection.
It's heavy punish to Kanchyo Becouse Kanchyo isn't restless for a moment = It's a heavy punishment to Kanchyo because he misbehaved.

Hi, Sujin! Thank you for your writing composition. I have corrected it. The red ones are my corrections. Just remember that if you talk about the past, you have to use past tense, okay. ^^ Btw, I used the words below which you can also use.

gnaw - (verb) - Bite or chew on with the teeth

misbehave - (verb) - Behave badly

Good job, Sujin! ^^