Verb conjugation of "signer" in French

In order to improve the language skills we changed some features on Vocabulix. From now on users can not only drill isolated lesson but adhere to a specific lesson plan. That means that they can set goals and seek help from other users.
Choosing the right language school is not an easy task. If you want to learn Spanish for example, you first need to know which country you should visit, because the pronunciation in each country differs.
Thanks again for your letter. For now, the weather here is like it is in your country, ice cold. I will write you a letter in Spanish and in English. So you can compare the sentences.