Morphology is a study of wordstructure.A word is made of morphemes whicharesmaller units that can carry meaning.For example;work+er = workerbone+s = bones
There are two kinds of morphemes Free morpheme can stand by itself asa single word. Bound morphemes normally cannotstand alone, for example, pluralmorpheme –s.
Based on our teaching experiences,types of morphology that posedifficulties for Thai studentsFree morpheme Lexical morphemeNouns do not pose any difficulty.
Adjectives do pose difficulty on it usesbecause when the adjective is used, itis putIn front of a noun that it modifies whichisdifferent form Thai that adjectivenormallycomes after a noun.For example: English : It is a big blackdog.
Adverb does also pose difficulty for Thailearners as well in term of it uses.For example:English : He walks slowly. / He slowlywalks. (Some adverb can be put afterverb or before verb.)Thai : In Thai, adverbneed to be put before verb. )
Functional morphemeConjunction, preposition, and pronounsdo notpost difficulty because many of themsharethe uses in common. Even there aresomeuses that does not actually use in thesameway, but still learners keep onpracticingand finally acquire word i.e. on—useas in
Suggestion:Solved by keep students practicing oftenandprovide context when practice.
Bound morphemeBoth inflectional and derivational posedifficulty for Thai learners because bothinflectional and derivational morphemearenot parts of Thai language which is theirmother tongue.
Johanne Paradis (2005) found out thatgrammatical morphology in childrenlearning English as a second languagethat pose difficulties to learner arefollowing: third person singular –s/-es past tense –ed irregular past tense verb to be as auxiliary verb do as auxiliary verb plural –s progressive – ing