“In the real world, conversations with sympathetic native speakers who are willing to help the acquirer understand are very helpful.”
Stephen Krashen
REFERENCE
SHÜTZ, Ricardo. Stephen Krashen’s Theory of Second Language Acquisition. April 1998. Available on: <https://www.sk.com.br/sk-krash.html> Access on Nov 24th, 2018.
Krashen's Second Language Acquisition Theory 