Verb conjugation of "filmare" 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.
To grow from there was the right decision. That means that I should find the decision makers of predefined websites, and do not need to search the Web for potential buyers generally.
I have problems with adjectives, endings and articles. The grammar is so difficult. I am very happy to learn Spanish with you. What went wrong with the lessons? Thanks and best regards.