Verb conjugation of "contaminate" in English

By the way: I have now met a man who claims he is an expert in deep snow skiing... I find that very impressive for someone with only 3 years of snowboarding experience. It is probably just showing off.
The snow can be compared with white veil. Here in Davos, there is lots of new snow, so fresh and powdery snow, which is great for skiing. One needs to be careful from unexpected avalanches.
I wish you lots of fun and success in your French class, and a nice weekend with lots of snow. PS: I am so happy I found you, my Italian friend, because we can visit each other all the time now.