Verb conjugation of "bluff" in English

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.
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 need to learn a lot of Spanish because I want to study at the university of Madrid. In Switzerland, I studied law, but after 2 years I have switched to medicine: to help people, rather than you know....