Contemporary criteria for classifying words to parts of speech Introduction. 2 Chapter.1. Structural approach to the classification of words. 5 1.1.Contemporary criteria for classifying words to parts of speech. 5 1.2.Structural approach to the classification of words (the doctrine of American descriptive School). 10 Chapter.2.Comparative study of parts of speech in modern english and uzbek.. 15 2.1.The Problems of Number and Case in Modern English Nouns. 15 2.2.Comparative study of parts of speech in modern english and uzbek. 21 Conclusion. 27 Literature 30