Language learning process of children
Birth: Early crying, babies’ attempt to communicate
5 months: Cooing, making sounds like ga-ga, gu-gu
1st birthday: a few words like doggie, milk, dada
18 months~24 months: 2-word phrases such as eat now or baby cry
2 years~: Acquisition of about 200 new words a month
2.5 years: 3-word sentences such as no want carrots
5 years: Understanding and correct production of grammar
http://www.bbc.co.uk/news/uk-scotland-glasgow-west-19109883 – Here is a very interesting article from the BBC on how learning a second language brings great advantages for children. From a brain health perspective, it also helps hold off dgenerative brain diseases like Alzheimers and dementia in older people as well: http://www.pajamatutors.com/advantage-of-learning-international-languages/brain-cognitive-development/