contestada

Rewrite the following passage correctly using correct future tense:
The first sentence is correct and there are five mistakes in the rest of the passage.
My mother believes that I will shine in life. She called me an hour ago and I was telling her how I spent my upcoming summer vacation. I have not disappoint her. I have decided that I was working hard from now on. I am sure that by doing so, I have to be successful in life.