the problem can not be English

Hello, My name is mastina Nova, I’m from Indonesia. please correct me if I made any mistakes, I’m learning English, because I'm bad in Pronunciation of words, tenses and sentences structure, I was a student in an Indonesian university, I am very happy because I graduated, but I find it difficult because I have to pass with a test toefl score is above 450.

Dear Mastina,

Your English is really good :) except for some minor mistakes.

Hello. my name is Mastina Nova, I am from indonesia, please correct me if there is something wrong with my English. I am learning English, because I'm I can not pronounciation (pronounce) words, and structure formation word sentences. I was a freshman (student), in one an Indonesian university. I am very happy because I graduated, but I find found it difficult because I had to pass a test toefl score is above 450. (TOEFL exam with a score above 450).

Correct Paragraph:

Hello. My name is Mastina Nova. I'm from Indonesia. Please correct me if there is something wrong with my English. I am learning English because I can't pronounce words, and structure sentences. I was a student in an Indonesian university. I am very happy because I graduated, but I found it difficult because I had to pass TOEFL exam with a score above 450.

Keep up the good work and have a nice day.