===== Parts of Speech =====
**What it is:** Word types (noun, verb, adjective, etc.).  
**What it’s for:** Build correct sentences and understand grammar explanations.  
**Example:** “She **quickly** runs.” (quickly = adverb)

===== Core types =====
  * **Noun:** person/thing/idea → “book”, “teacher”, “time”
  * **Verb:** action/state → “go”, “know”, “like”
  * **Adjective:** describes a noun → “big”, “beautiful”
  * **Adverb:** describes a verb/adjective → “quickly”, “very”
  * **Pronoun:** replaces a noun → “I”, “they”, “it”
  * **Preposition:** relation (time/place) → “in”, “on”, “at”
  * **Conjunction:** joins words/clauses → “and”, “but”, “because”
  * **Determiner:** points/limits nouns → “a”, “the”, “this”, “some”
  * **Interjection:** short emotion word → “Wow!”, “Oops!”

===== Mini practice =====
  * “**This** (determiner) **small** (adjective) **dog** (noun) **runs** (verb) **fast** (adverb).”

===== Hard words (Glossary) =====
  * *adjective* /ˈædʒɪktɪv/: tính từ
  * *adverb* /ˈædvɜːb/: trạng từ
  * *preposition* /ˌprepəˈzɪʃən/: giới từ
  * *conjunction* /kənˈdʒʌŋkʃən/: liên từ
  * *determiner* /dɪˈtɜːmɪnə/: từ hạn định