The document discusses the indefinite article "a/an" and its uses in English grammar. It is used with singular nouns to introduce a noun, show membership in a group, or generalize about a class. Examples are given for each use. The document also covers the word "all" and its uses as a determiner, pronoun, and adverb, providing definitions and examples for each grammatical pattern, collocations, set phrases, and exercises.

1. Native English Natural Grammar

2. A / An Indefinite Article Used with singular nouns Uses: To introduce a noun To show membership in a group To generalize about a class Examples: Introduce: An Englishman was on a plane Membership: That man is a military officer. Classification: An octopus has eight legs Grammar Patterns

3. All Determiner Meaning the whole amount of something Ex: The cat drank all of the milk. Pronoun Meaning everything or every single oneEx: We can all go home. Adverb Meaning completely Ex: He was all alone. It is all over now. Collocations

4. All Determiner Meaning the whole amount of something Ex: The cat drank all of the milk. Pronoun Meaning everything or every single oneEx: We can all go home. Adverb Meaning completely Ex: He was all alone. It is all over now. Set Phrases

5. All Determiner Meaning the whole amount of something Ex: The cat drank all of the milk. Pronoun Meaning everything or every single oneEx: We can all go home. Adverb Meaning completely Ex: He was all alone. It is all over now. Examples

6. All Determiner Meaning the whole amount of something Ex: The cat drank all of the milk. Pronoun Meaning everything or every single oneEx: We can all go home. Adverb Meaning completely Ex: He was all alone. It is all over now. Exercises (link to Quia)