The ministry of higher and secondary education of the republic of uzbekistan

. Free morpheme:
Free morphemes are the morpheme which have independent meaning without being combined with others. They can occur alone and they ,have separate meaning and can be used freely in sentences. That is why its called free morpheme. For example: boy, bird, cat etc. are free morpheme. These morphemes are word categories such as ‘lexical morphemes’ and grammatical morpheme ‘. Lexical morpheme is the word category which includes verbs, nouns, adjectives, adverbs, etc.For example: lexical morphemes such as boy, girls, chair, clever, john, nice, etc. And grammatical morpheme is the word category which includes grammatical items like pronouns, conjunctions, articles, prepositions, etc.

2. Lexical morpheme: lexical morpheme carry the content or meaning of the messages that we convey. Those morphemes are having meaning by themselves. For example: follow, strange, ;look, fine, current, etc.
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3. Grammatical morpheme:
Grammatical morphemes specify a relationship between other morphemes. But the difference is not all that well defined. These are the morpheme that do not carry the content of the message, but rather help the grammar of the sentence function. For example: of the grammatical morpheme : and when, ahead , on, that, if, them, near etc.
4. Bound morpheme:
Bound morpheme is the another category of morphemes. These are the morpheme which can not occur alone and do not have meaning in isolation. And if they added to the bases they get meaning. Bound morphemes or depended morphemes which depend on free morphemes for having their own meaning. All suffixes and prefixes are bound morphemes. Bound morphemes are considerers to be two types:
a.Inflectional morpheme
b.Derivational morpheme
a) inflectional morpheme definition:
Inflectional morphemes are bound morpheme which change class aspect of the words. Inflectional morpheme like –ing – ed, -es, are inflectional morphemes. Because they inflect the word classes tense aspects. As for example: played, taken, sleeping, makes, etc.