LANGUAGE, LEARNING AND TEACHING. 

First at all, a language is a process where people construct  logical sentences in order to communicate thoughts, ideas, or feelings.  To understand a language is not only to express yourself, it also includes knowing of patterns and regularities of it;  any language  has specific rules of phonology, semantics, morphology, syntax and discourse. 
The second language acquisition is based on all previous knowledge of the learner that includes underlying fluent, systematic and learner's memories.  It represents a mental internal process adapted by the learned so as to make meaning and to construct understandings among speakers to have a dialogical relationship.  Speakers and learners interact together to create the context of the language.
To acquire a language knowledge implicates a daily practice of it to solve problems out of the classroom. Individual's participation is really valuable to create its own understanding of the second language in order to become a part of a new community.  Learners have to design a mental representation of language while teachers must plan and implement  techniques according to their preferences and interests.  In the classroom both process:   learning and teaching are integrated step by step in order to approach learners to the language.  It is necessary  always to create an stimulus so as to have a response to achieve an active class. Both students and teachers use data and methods to acquire proficiency, the main goal is obtaining mutual learning and growth.  In some cases it is indispensable in  order to advance in the process of acquisition of a second language that teacher places theirselves  as students , to understand them and to facilitate the process of learning.  Finally,  all the knowledge
well- acquired , you will never forget it.