英语词汇学课件Unit2.ppt

1、UNIT 2 STRUCTURE OF ENGLISH WORDS,Contents,词汇的定义,1,词的定义及分类,2,词素的定义及分类,3,Discussion,Agree or disagree: English vocabulary consists of only single words. How many words are there in the following sentence: I saw him yesterday.,2.1 English vocabulary,Definition 英语所有单词及单词等价物的总称。 lexis: The vocabulary of

2、 a language, especially in dictionary form. lexicon: The vocabulary of a language, together with information about the pronunciation, use and meaning of each item in it. vocabulary: The set of lexical items (words) in a language; also called lexicon. glossary: An alphabetical list of the terms used

3、in a special field.,2.2 English word,2.2.1 Definition: the minimal meaningful unit of language that can function independently. Group A: a. cat b. dog Group B: a. cat b. cats Question: How many words are illustrated above?,lexeme: A minimal form that conveys one meaning and can be used in reference

4、or predication. (CAT, PUT UP WITH) word form: The concretely realized grammatical form of a word in the context of a sentence. Ex: go, knife, went, gone, going, knives This dictionary contains 50000 words. I know 5000 words of Greek.,2.2.2 Word classes/ part of speech/ grammatical category: terms in

5、 linguistics for a category of words that have been grouped together because they are similar in their inflection, meaning, functions, or a combination of these.,syntactic behavior/function,number of morphemes,function words content words,source/origin,native words loan words,Simple words complex wo

6、rds,2.3 Morpheme,Text in here,2.3.1 Definition: 词的组成部分，是语言中语音和语义的最小结合体。 morpheme: A minimal unit of meaning. (形位、语素，希腊语morphe+法语-eme构成） （the smallest component of a word which contributes to its meaning.) morph: The physical form of a morpheme. allomorph: A variant of a morpheme.,Text in here,词素变体：不

7、同的读音和拼写。 nation national nationality music musical musicality origin original originality in- il- ir- im- go went gone (?),root,affix,free root,bound root,inflectional affix,derivational affix,prefix,suffix,The girls wildness shocked the teachers. (confix/circumfix, infix),Productive (combining form),Non-productive,2.3.2 Classification,附录1：root & stem,Text in here,附录2：le