In the pre-school years. it is generally accepted that by age four, children have acquired the basic structures of the language.
Most of children’s language acquisition effort is spent in developing their ability to use language in a widening social environment. And then they use language in a greater variety of situations.
Three-year-old children can tell you that it’s ‘silly’ to say 'drink the chair’ because it doesn’t make sense. they are less sure that there’s anything wrong with it ,but they will focus mainly on the fact that they can understand what it mean.
Five-year-old , on the other hand, They know what is wrong in a different way and they can tell you that one is ‘silly’ but the other is ‘ the wrong.
Language acquisition in the pre-school years is impressive which the most of children spent time interacting with language-participating in conversation being read to and watching television. Although pre-school children acquire complex knowledge but the school setting must brings new opportunities for language development.