Word class hierarchy

Many teachers give students a tree structure of Word classes. These often differ. Any of them can give the student a useful overview of the subject. AWE's suggested structure is given here.

• Noun
  • Collective noun
  • Abstract - concrete noun
  • Countable - non-countable
  • Common - proper noun
• verb
  • transitive verb
  • intransitive verb
  • Modal verb
  • Auxiliary verb
  • Primary verb
• adjective
  • Participial adjective
• adverb
• article
• preposition
• conjunction
• pronoun
  • personal pronoun
    • impersonal pronoun
  • reflexive pronoun
  • relative pronoun
  • demonstrative pronoun
  • interrogative pronoun