1. Classification of Morphemes
Prepared by
Ayesha Aslam
Farwa Khalid

2. Classification of Morphemes
Ronald W. Langacker in his book Language and its
Structure has divided morphemes into two classes:

lexical morphemes

grammatical morphemes

3. 
Lexical morphemes are like
boy
write
paper
pen

4. 
Grammatical morphemes are like
some
with
a
the
an

5. Morphemes
Morphemes are the minimum grammatical forms of a
language. Some of them can occur alone, others
cannot. Forms which do not occur alone are bound
morphemes, and those which occur alone are free
morphemes.
The whole classification can be represented in the
following manner Slide 6

6. Morpheme
Free Bound
Prefix Infix
Suffix
Derivational Inflectional Bound
bases
Class-
maintaining
Class-changing

7. Morpheme
Free Bound
Prefix Infix
Suffix
Derivational Inflectional Bound
bases
Class-
maintaining
Class-changing