Being an expat myself and a 6 language polyglot with graduation in foreign languages, one thing I have learned is that taking classes is not enough. 

To speak, you need to speak! I emphasize conversation in all types of lessons. We will talk about different topics from the very beginning. Living with the langauge is the key. 

Beside of helping to develop inovative learning habbits, I create customized websites with materials for each student. This way, students have their online textbook at their disposal at any time.

Learn to speak effectively.  In an refreshing way. While having fun!