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 L04 Morphology: Introduction


            Morphology: Introduction

o Inflectional morphology
   - Deals with word forms of a root, when there is no change
     in lexical category. Each word form gives different values
     of features like gender, number, person, etc.

   - For a given root, there are many word forms with different
     features
   + Ex. Forms of Hindi root laDakA (boy)

                         Case
           num |   direct     oblique 
         ------------------------------
               |
            sg |  laDakA      laDake
            pl |  laDake      laDakoM

     - 'laDakoM' is plural with oblique case
        - given by feature structure {num=pl, case=obl}
     - 'laDake' stands for two feature structures
        + Singular oblique  (Ex. laDake ne kahA ...)
           - where oblique means 'laDake' is followed by a postposition
             marker
        + plural direct case (Ex. laDake Aye)

o Paradigms
   - What operation is done on root to obtain word forms
   - Model using pairs: (delete string, add string)

                         Case
            num |  direct     oblique 
         ------------------------------
                |
             sg |  (O,O)       (A,e)
             pl |  (A,e)       (A,oM)

o List roots with paradigms they follow:

   - ghoDA     follows paradigm   laDakA
   - charkhA   follows paradigm   laDakA
   - laDakA    follows paradigm   laDakA
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