Verb conjugation of "erase" in English

Today we have what we call 'hair dryer wind' (south wind from over the Alps), and it is around 30 degrees in Aarau. In some places even 31. Many people have headaches because of the weather.
Spanish is very important and widespread. I want to improve my skills with the help of Vocabulix and its users. I'll be there looking for people and I hope that my new efforts will be helpful.
I teach at the university of natural sciences. I have studied at the ETH in Zurich. At that time I started learning Spanish and I found Vocabulix. Since then I'm using it regularly with joy.