This morning, I went out to PC shop.

I am not sure if the comma is necessary.

I bought a lot of blank papers blank.

After caoming at home.,

"At" would imply that you have already arrived home.
This is also not a complete sentence.

I cooked aTunisian red pasta Tunisia.

Adjectives generally go before the nouns.
I am assuming that you meant to say you cooked pasta from Tunisia, or in the style of a dish from Tunisia, therefore, you would call it "Tunisian".

ThisIn the afternoon, I watched a video in English on YouTube.

My aim has always been to be a good leistener and to get used to hearing English.

I have prepared to him a greatd a big surprise for him.

The object, "him", should go after the verb. Also, because it already happened it should be in the past. Usually, we would just say that we "have a surprise".

I metintroduced my Mom to amy friend over Skype.

Your friend met your mother. You introduced her. The way it is written makes it sound like you didn't know your mother before the Skype call.

He was reallvery surprisinged to smeet my Mom!

"Surprising" makes it sound like is was doing something to you. "Surprised" refers to the state or emotion that he was in.

Then, we talspoked a little in Spanish and he corrected me a bunch of sentences.

"Me" is unnecessary.

I would like you to be proud of me.

I am proud of you!

I am grateful for this web-site and everyone who as helped me.

This morning, I went out to PCto the PC/computer shop.

I bought a lot of blank papers blank.

*Adjective before noun*

After caoming at home.,

I cooked a red pasta Tunisian pasta.

My aim has always been to be a good leistener and to get used to hearing English.

I have prepared to him a greata huge surprise for him.

I metintroduced my Mom to a friend over Skype.

He was really surprisinged to see Mom!

Then, we talked a little in Spanish and he corrected me a bunch of sentences for me.

To be honest, I want to keep improving my English for meyself and especially for my best friend.

I would like you to be proud of me.

I am grateful for this web-site and everyone who has helped me.

This morning, I went out to the PC shop.

I bought a lot of blank papers blank.

After caoming at home.

You could also say, "after going home" which does sound better in my ear anyways.

I cooked a red pasta TunisiTunisian pasta.

Had to Google that. XD

My aim has always been to be a good leistenering and to get used to hearlistening English.

"Hearing" is usually used when you notice a sound or something like that. When you are paying attention to something intently, we use the word "listen".

I have prepared to him a great surprise.

I metshowed my Mom to a friend over Skype.

He was really surprising to see my Mom!

Then, we talked a little in Spanish and he corrected me a bunch of my sentences.

I would like youhim/her to be proud of me.

Today is the twenty-seventh day 27 of my daily English challenge.

Natural

This morning, I went out to a PC shop.

I bought a lot of blank papers blank.

Adjective before the noun

I am not sure myif sentence is correct.

Hypothetical possibility/speculation needs if
“I wonder if she’s there yet.”

After caoming at/returning home.

I cooked a red pasta called Tunisia.

ThisIn the afternoon, I watched a video in English video on YouTube.

This afternoon - talking of it in the future (it hasn’t happened yet)
In the afternoon - reflecting on the past

My aim has always been to be a good leistener and to get used to hearing English.

I have prepared to him a great surprise for him.

I metintroduced my Mom to a friend over Skypeit as well.

He was really surprisinged to see Mom!

Past tense use the past participle not the gerund

Then, we talked a little in Spanish and he corrected me on a bunch of sentences.

To be honest, I want to keep improving my English for meyself and especially for my best friend.

I would like youthem to be proud of me.

This morning, I went out to PCto the computer shop.

I bought a lot of papers blankblank sheets of paper.

After caoming at home.,

When I got back home, = more natural

I cooked asome red pasta Tunisian pasta.

My aim has always been to be a good leistener and to get used to hearing English.

Then, I spoke to a friend overon Skype in English.

I have prepared to him a greata big surprise for him.

I metintroduced my Mmom to a friend over Skypehim.

He was really surprisinged to smee Momt her!

Then, we talked a little bit in Spanish and he corrected me a bunch of sentences for me.

To be honest, I want to keep improving my English for me, and especially for my best friend.

I would like you to be proud of me.

I am grateful for this web-site and everyone who as helped me.