Open classes and Closed system

English grammar questions, answered by Alan

Moderator: Alan

Locked
kimikusha
Member
Posts: 1
Joined: Sun Feb 12, 2012 6:37 pm
Status: Learner of English

Open classes and Closed system

Post by kimikusha »

HI! could you tell me the exact definition and the difference between open classes and closed system.
User avatar
Alan
Teacher/Moderator
Teacher/Moderator
Posts: 15204
Joined: Mon Dec 29, 2003 7:56 pm
Status: Teacher of English
Location: Japan

Re: Open classes and Closed system

Post by Alan »

Open classes are those such as nouns and verbs, to which new words can be, and regularly are, added.
Closed classes are those such as conjunctions and prepositions, to which it is unlikely that any new words will be added (at least in the near future).
Locked