Verb conjugation of "épater" in French

What do we do about the numbers? I skipped them because I wasn't sure. Because it is possible that somebody wants to know how to say 15 in Spanish. He should write out the word as 'fifteen', not as digits.
According to the user's success and failures in the placement test will give us the information where to start the drills for each users. Please note that some general parameters that are not user specific may also be involved in the decision engine.
I am in my German lesson and I'm learning about the subjunctive. I had never heard about it before. Can you ever deal with all Verb conjugations? I just totally misunderstand the past tense!