I want to make friends and can you help me correct my mistake ,thank you

Hi Lin! that is a good start already, and here are some hints: 

The comma and dot are placed right behind the last word, no extra space: this is right, that not . 

The rest i commented in line, i hope that helps. 

Hello everyone! My name is Lin, and i am a Chinese native speaker . (Word order, and you have no noun in the following sentence) As a student study in a college (better would here be: I study at a college) .Three days ago ,I had a communicate communicated with a Polishand boy in a restaurant where I did a part-time job .That was my first time to talk with a foreigner .I was very exciteding and also a little nervous .It That felt wonderful .Before this I study English only for examinationstest .After this ,I found that maybe I can use it for other occasions, too .And I want to find friends to practice my English ,alsoin return I can help you with Chinese .