Everyone has their own favourite sites to go when they have problems mine tends to be here and these are aimed at the beginner to the intermediate: http://www.creativebloq.com/digital-...orials-1232697 The problem the majority of sites are in English and the modern trend is to do these as video's which I would find a problem if I didn't speak the language and because it is a vid. there would be no Google translation.
After you get your mind around some of Illustrator tools the basic use of the Pen Tool is a must as there is no way even in web design to get away from this tool. If your English is fine have a look here : http://tv.adobe.com/watch/learn-illu...-pencil-tools/
If not let Google take the strain to translate this site still on the Pen Tool and please try the exercises on topic 9: http://design.tutsplus.com/tutorials...de--vector-141