http://ogden.basic-english.org/
Basic English is an English-based controlled language created by linguist and philosopher Charles Kay Ogden as an international auxiliary language, and as an aid for teaching English as a second language. Basic English is, in essence, a simplified subset of regular English. It was presented in Ogden's book Basic English: A General Introduction with Rules and Grammar (1930).
Charles K. Ogden是一个哲学家又是一个语言学家。他创立了旨在帮助学习英语这个第二语言的，把英语作为国际通用语言的，核心基础英语（Basic English）。
核心基础英语尝试让学习者在尽可能短的时间内掌握一个国际通用的第二外国语。
核心基础英语由850个单词组成。 翻看一下牛津袖珍英语字典你发现里面的两万五千个英语单词（25,000）去除语言的冗余部分，去除可以用构词法构成的单词，字典里面90%的概念可以用850个单词来解释完成。这个缩短的词汇表使得拼写不规则的词汇简单了，掌握发音也简单了。
Ogden 创建了Orthological Institute， 这个研究所致力于开发教授核心基础英语的工具。他的一个著名的助手就是I.A. Richards。I.A. Richards 和编撰了ETP这个教材。
1. What is Basic English?
Basic English is an attempt to give everyone a second, or international language, which will take as little of the learner's time as possible.
The number of 850 was found with 600 names of things, 150 are names of qualities, and the last 100 are the words which put the others into operation and make them do their work in statements.
OGDEN's BASIC ENGLISH
If one were to take the 25,000 word Oxford Pocket English Dictionary and take away the redundancies of our rich language and eliminate the words that can be made by putting together simpler words, we find that 90% of the concepts in that dictionary can be achieved with 850 words. The shortened list makes simpler the effort to learn spelling and pronunciation irregularities. The rules of usage are identical to full English so that the practitioner communicates in perfectly good, but simple, English.
We call this simplified language Basic English, the developer is Charles K. Ogden, and was released in 1930 with the book: Basic English: A General Introduction with Rules and Grammar. He founded the Orthological Institute to develop the tools for teaching Basic English. His most famous associate, I.A. Richards, led the effort in the Orient, which uses the techniques to this day.
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