Traditionally, many linguists stressed the importance of
mastering grammar structures first while teaching English. In
recent years, the majority of educators have become more
aware of the fallacy of this approach and other approaches
promoting vocabulary development have gained popularity. It
has been found out without vocabulary to put on top of the
grammar system, the learners can actually say very little despite
being able to manipulate complex grammatical structures in
exercise drills. It is obvious that to learn English, one needs to
learn many words. Native speakers have a vocabulary of about
20,000 words but foreign learners of English need far fewer.
They need only about 5,000 words to be quite competent in
speaking and listening. The reason for this seemingly small
number is the nature of words and the frequency with which they
appear in a language. It seems clear that frequent words should
be among the first words to learn because they will be met most
of ten and will be needed in speech or writing.
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