Verb conjugation of "verzollen" in German

My name is Maria. I am 66 years old. I live in Barcelona (the capital of Catalunia) with my husband and my children. But I think my children will soon move out and live by themselves.
The differences between Italian and Spanish are very small. But I see that you speak Spanish better than I speak English. It is still far from perfect, but that is already a start.
When I wanted to do my homework, I accidentally landed on Vocabulix and it caught me right from the beginning. Connecting with other users can be brilliant. Skyping with them, chatting and messaging. Great idea.