This is the first thing that I would like you to take a look at. It is a quick review of Stephen Krashen's linguistic theory about language aquisition.
http://en.wikipedia.org/wiki/Second_Language_Acquisition
Here iis a great article about the Hopi Indians and how their language shapes their perception of the world!
http://www.generalsemantics.org/etc/articles/1-4-whorf.pdf
Have a look at this video:
I look forward to hearing your response about this!
Ruth