Verb conjugation of "soûler" 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.
Maybe we would need to say install our dictionary as a software? But I would say instead of install, use our dictionary as a software. So bottom line. If I use the singular form for newsletters and websites, I am on the safe side for both?
I'm helping you with Spanish and you can help me with English. How did you teach yourself the grammar? Here in Zurich it has being raining for 5 days and we have spent most of the time in front of the TV.