1. Personal
   1. Alternative word for a noun (person or thing)
2. Possessive
   1. Replace nouns and show ownership
3. Demonstratives
   1. Used to point specific person or thing
4. Reflections
   1. word that refers to the object being spoken
5. 1. Of place
   2. Of location
   3. Of time
6. The comparative
   1. Using – er +than and more + than
7. The superlative
   1. Using the + –est and the + most
8. Are use to give more information about verb, adjetive or other adverb
9. Undefined "it"
   1. We used to talk about :
   2. day/month/year/date/time and weather.
10. Undefined "the"
    1. Speaker and listener have the same noun in mind
11. Example: What day is it? It’s Monday.