Verb conjugation of "dondolare" 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.
Everything in your letter is perfect! Almost no errors and the writing style, very impressive! After this first year in England, you have also improved your vocabulary and the grammar skills.
Why are people from beautiful Latin America immigrating to Germany? I have often experienced problems with the time forms used in Spanish. I need urgent assistance. I can correct you in German.