Verb conjugation of "verlernen" in German

However, I must point out that all my students are interested in language labs, and CDs. Vocabulix systems appear to provide unique results. We would have to review the situation soon.
I will answer your mail during the weekend. Please translate the same text to Hungarian. I think it is easier to write. We can do the same with Spanish. Just note that the context needs to stay the same.
The course was a bit tough because the teacher always gave lots of homework. We were upset about his behaviour. He was very arrogant towards all the students. It was simply no fun to study there.