Language is not taught
It is something that develops within the child, a faculty acquired simply by living around people that speak. “Children live with people who speak, so naturally they come to speak themselves.”
A child, in his early years, simply absorbs a language unconsciously. His mental mechanism is such that he is able to bring the totality of his mother tongue, with all its aspects, into a whole language and apply it with such ease.
The Montessori method provides the child with the words in order to help him better express himself, providing him with an environment of “speaking people”, and with the tools for intelligent and correct speech.