1. The author says that the theory that a child's brain is best suited to learn a language effortlessly and perfectly during the early years because puberty, roughly 10-14 years old, will lose the capacity of the brain. Moreover, Some researchers even claim that as early as the age of five some ability to absorb a new language beings to diminish. Also, young children can development language skills after the age of five. Moderate amounts of exposure to English can be enough to help young children become familiar with the pronunciation of the language, one area where younger children clearly have an advantage over older children.