I would explain my students Language systems like this.

1. Language Systems

2. Language systems Imagine that this cake is a Language .

3. In order to study a Language it was subdivided by structuralism in to the Following parts: In last two hundred years there were 3 important approaches of Language systems, first the structural , covered the study of Languaje and divided it in: Phonology Lexis Vocabulary Grammar Then the linguistics clasified at 3 levels : phonology, morphology and syntax

4. Then the linguistics clasified at 3 levels : phonology, morphology and syntax phonology morphology syntax finally t he communicative approach adds 2 more units situational and functional aspects. functional situational

5. Phonology Lexis Vocabulary Grammar morphology syntax functional situational Language Systems It is important to know Language Systems because we need to know how a Language works, how it is formed or constructed.

6. Phonology Help us to know the sounds of a Language it helps you to Improve you pronunciation. Lexis It is concerns about Vocabulary words. Grammar Helps you to know how to make sentences! Morphology is the identification, analysis and description of the structure of morphemes and other units of meaning in a language such as words , affixes , parts of speech

7. Syntax the rules and principles that govern the sentence structure of any individual language Situational and Functional This will help you to understand when is proper to use an expression and what expressions are commonly used in certain situations.

8. http://en.wikipedia.org/wiki/Morphology_%28linguistics%29 http://en.wikipedia.org/wiki/Syntax Sources: Gabriela c. zavaleta