Usually a few years at least.
This depends entirely on how committed a student is. Traditional schooling will usually take at least 3-4 years to learn very much. Rosetta Stone claims not to take as long.
8 weeks to years
in 2 days
Learning a language in school usually take 3 to 4 years to become fluent.
"Yes, there are many DVD movies available to purchase that help people learn the Mandarin language. Usually, to learn a language, you should also take actual classes from a person who is fluent in Mandarin."
Japanese is a very complex, and difficult language. It can take decades to learn and speak it effectively.
It depends on the person and on which sign language they are trying to learn. Basic fluency in American Sign Languagevaries, but can usually be achieved in 22-24 weeks of proper study (550-600 hours).
if you are born in spain then you can learn it very easily fast but if you were a foreign it may took you several year to learn it like me
Well if want to learn sign language u can first learn your ABC's in sign language cause it make earlier to learn sign language. i think it depend on how well u can remember the word in sign language if u cant hear well i think it take 7 years to master it, if u can hear it take 8 or 9 years to master it.
Learning the Italian language may require one to take classes. Classes or seminars can usually be found around one's area. It is also possible to learn Italian using the language software Rosetta Stone.
Buy a language program, take a college class, learn from someone who knows it, go to Norway.