1. Differences between adjective & adverb
    1. Adjective
      1. ขยาย noun
    2. Adverb
      1. ขยาย verb, adjective ,adverb ,phrase
  2. Comparison
    1. Positive Degree
    2. Comparative Degree
    3. Superlative Degree
  3. Order
    1. Adjective order
    2. Adverb order
    3. Word order