Verb conjugation of "interdire" in French

My family in Russia wants us to spend Christmas with them, but I don't think we'll be able to. My youngest brother spent 2008 in Moscow. The other one has already been there before and met all relatives. I wish you a happy and successful 2012.
The idea is to use the sourcing to get as much information as possible about learning abilities and disabilities in average. This way we can determine and forecast best practices for language learners based on some parameters.
I can already speak a little English but not too well. So I'm more cautious about making mistakes. I want to improve my English, because it is also good for your confidence and communication skills.