Today, I'm going to start writing a diary ofabout what's going on in my life in English. Today, I'm going to start writing a diary about what's going on in my life in English.

Today,(,) I'm going to start writing a diary of what's going on in my life in English. Today(,) I'm going to start writing a diary of what's going on in my life in English.

NOTE: The comma is optional. You can safely delete the comma.

So, yesterday, I began a new chapter inof my life began when I decided toy quitting my job as a truck driver and completely changeing my environment. So, yesterday, I began a new chapter of my life by quitting my job as a truck driver and changing my environment.

It was a difficult decision for me because I had been working here for the last 2 years and I liked everything very muchliked nearly everything about my former job. It was a difficult decision for me because I liked nearly everything about my former job.

It was a difficult decision for me because I hadve been working here for the last 2 years and I liked everything it very much. It was a difficult decision for me because I have been working here for the last 2 years and like it very much.

Not wrong! you have good grammar. This is how I think a native speaker would say it.

It was a difficult decision for me because I had been working there for the lpast 2 years and I liked everything very much. It was a difficult decision for me because I had been working there for the past 2 years and I liked everything very much.

Since you are not working in that company anymore, you need to say working "there" instead of working "here". If you are still there (haven't left yet), you would need to accord the tenses with "I HAVE been working HERE for the past 2 years"

I had a very interesting life experience, met new people, saw many beautiful and impressive places, and even managed to learn Polish to an acceptable level while working there. I had a very interesting life experience, met new people, saw many beautiful and impressive places, and even managed to learn Polish to an acceptable level while working there.

Just to remain consisten?

I hadMy former job was a very interesting life experience,. It offered a chance to meet new people, saw and see many beautiful and impressive places, and. I even managed to learn Polish to an acceptable levelsome basic Polish while working there. My former job was a very interesting life experience. It offered a chance to meet new people and see many beautiful and impressive places. I even managed to learn some basic Polish while working there.

But recently, I realized that this job holds me back and does not allow me to develop both career-wise andor personally. But recently, I realized that this job holds me back and does not allow me to develop career-wise or personally.

But recently, I came to realized that this job holds me back and does not allow me to develop both career-wise and personallydid not offer any chances to enhance my career; it was also starting to feel uninteresting. But recently, I came to realize that this job did not offer any chances to enhance my career; it was also starting to feel uninteresting.

I am also tired of living like a dog in a car; I don't like the concept of international trucking at all; my sleep sucks here, I can't fully exercise, and I am killinging in a truck is tough and I can't fully exercise. Moreover, this work is bad for my already damaged back. I am also tired of living like a dog in a car; I don't like the concept of international trucking at all; sleeping in a truck is tough and I can't fully exercise. Moreover, this work is bad for my already damaged back.