Verb conjugation of "dovere" in Italian

The third and forth largest economies in the world are growing due to the fact that the countries were investing large resources in education, including foreign language acquisition. English, in this case, was the dominant language.
Was that all? I was sure that I had a lot more mistakes, because I did not know how to express myself properly. Maybe I am a natural born talent. I am just kidding. Let me know if you need something else.
I wish you a safe journey. In what city will you be staying in Germany? We want to buy a small flat in Eastern Germany. And if everything goes well, we want to build a small house next year.