1. Phrase
   1. Part of Speech
      1. Noun Phrase
      2. Adjective Phrase
      3. Adverb Phrase
      4. Verb Phrase
   2. คำนำหน้า
      1. Prepositional Phrase
      2. Infinitive Phrase
      3. Gerundial Phrase
      4. Participial Phrase
      5. Absolute Phrase
2. Clause
   1. Function
      1. Independent
      2. Dependent
   2. Part of Speech
      1. Noun Clause
      2. Adjective Clause
      3. Adverbial Clause
      4. If Clause
      5. Subjunctive
      6. Wish
3. Sentence