Studying English Again

I haven't used  been using English for ages.
Some time ago, I toured went to Europe for a tour with my family. We went to France, Italy, Swizerland and Germany.
I loved Italy. People there were very friendly.
Our chauffeur was Italian, he was a kind man who likes enjoyed chatting.
I was the only one who could speak a little can do some English talking in my team, most of communication was my job work during the trip.
Finally, I decided that found I really must study English from scratch.
I couldn't even buy what I wanted in a sentence.
How terrible.

Plain: Correct sentence. (good job!)

Italics: Sentence with mistakes

Bold : corrected version

Study English Again

I haven't used English in ages.

Some time ago, I went to Europe for a tour with my family.

We went to France, Italy, Swizerland and Germany. 

We went to France, Italy, Switzerland, and Germany.

I loved Italy. People there were very friendly. 

Our chauffeur was Italian, he was a kind man who likes chatting.

I was the only one who can do some English talking in my team, most of communication is my work during the trip.

I was the only one who could speak some English in my team. I spent most of the trip helping them communicate. 

Finally I found I really must study English from scratch. 

Finally, I found I really need to study English again from scratch.

I couldn't even buy what I want in sentence.

I couldn't even buy what I wanted using a complete sentence.

How terrible.

I haven't been using English for ages.

I haven't used English in ages.

Good job!