1. Refers to entities
1.1. Institutions
1.2. Places
1.3. People
1.4. Objects
1.5. Abstractions
1.6. Qualities
1.7. Actions
1.8. Phenomena
1.9. Emotions
2. Common nouns
2.1. Contrast
2.1.1. Singular
2.1.2. Plural
2.1.2.1. abstract plural nouns
2.1.2.2. irregular plural nouns
2.1.2.3. regular plural nouns
2.2. Countability
2.2.1. Count nouns
2.2.2. Uncountable nouns
2.2.2.1. Non-count singular nouns
2.2.2.1.1. Abstractions
2.2.2.1.2. Substances
2.2.2.1.3. Aggregate Nouns
2.2.2.1.4. Some illnesses names
2.2.2.1.5. Nouns ending in -ics
2.2.2.1.6. Activities
2.2.2.2. Non-count plural nouns
2.2.2.2.1. Only plural form.
2.2.2.3. Nouns with count and non-count uses
2.2.2.3.1. Context Dependent.
2.2.2.4. Abstract nouns
2.2.2.4.1. Can be concrete and pluralized.
3. Proper nouns
3.1. Combination
3.1.1. Adjetive /Proper noun.
3.1.1.1. Ex. Real Madrid
3.1.2. Proper/Common noun.
3.1.2.1. Ex. University of Oxford
3.2. Proper nouns.
3.2.1. Ex. Hilary, Madrid.
3.3. Particular Creation
3.3.1. Ex.Coca Cola.
3.3.2. Ex. Carolina Herrera.
4. Pronouns
4.1. Replace a noun
4.1.1. Personal Pronouns
4.1.1.1. Subject
4.1.1.1.1. Plural
4.1.1.1.2. Singular
4.2. Possessive Pronouns
4.2.1. Mine, yours, his, her, its, our, your, their
4.3. Indefinite Pronouns
4.3.1. Anybody, anyone, such, all, none, few, some
4.4. Interrogative Pronouns
4.5. Demonstrative Pronouns
4.5.1. This, that, these, those
4.5.2. Who, whom, which, whose, what
4.6. Relative Pronouns
4.6.1. Who, whom, whose, which, what, that
4.7. Reflexive Pronouns
4.7.1. Myself, yourself, herself, himself, itself, yourself, ourselves, themselves