I'm stumped. Probably has something to do with uncertainty. What does volver a pasar even mean?

Requesting is a verb (an word that is an action). It is something you can do. Request can be a verb or a noun (a noun is a word that is an object or idea) In your example: My request was turned down. is the the grammatically correct way to say it. The -ing at the end of a word means that it is being done as the word is spoken. For example, I am typing right now. You were requesting an answer

Gah, I put an answer in the comment bar! oops.

I wouldn't worry too much about the distinction. In the majority of cases, they are equivalent, and used interchangeably. (En la mayoría de casos, son iguales.) In spite of my attempts, I could not think of any significant difference in their usage. :P Regardless sometimes can be used in places where "in spite of" would be awkward or would need an object. Por ejemplo: It was raining outside. Regardless, we left for the beach. (regardless of the rain is implied) vs. In spite of the rain, we left for the beach. (with in spite of, the thing that is being spited must come right after the phrase.) It was raining, but

First notebook entry: Introducing myself

Hello, I'm Margie, and I'm here for learning english, because I want to improve my speaking, because I want to study abroad and make friends from anothers other countries!
My native language is spanish, and I grew up in Ecuador.
I enjoy listening to music, computers, because I'm a Software Developer, Engineer in Computer Science, and I would like to learn english very well.
See you!! :D

Fell in love with english

I like have liked to studying english since forever. I'm brazilian, and here people don't talk english perfectly or even like to learn, but I always tried to talk and write fluently with the help of the internet. I fell in love with english and with other languages, but english is like the first love, you know? hahaha. kiss :)

 

You are easy enough to understand, just a few details with verbs the first sentence make this clearer.  Spelling is not so important, in my mind, but I made a correction anyway :P

First notebook entry: Introducing myself

I am learning english because I want to make friends around the world and maybe know new places in the future.
My native language is spanish and I grew up in Peru.
I like music, cine, technology, etc.

Bye bye that's all for now =D