Morphemes can be classified as:

• Dependent Morphemes
• Independent morphemes

Dependent Morphemes

They are the ones who join the lexeme to form a single word. These are classified into:

• Lexical morphemes or affixed morphemes or derivative morphemes
• Grammatical or flexible morphemes

Lexical morphemes or affixed morphemes or derivative morphemes

They join the lexeme to clarify the meaning of a word in relation to its size or quality. Given their position in the word they are classified as:

• Prefixes
• Suffixes
• Interfixes or infixes

Prefixes

Are prepended to the lexeme: geo -grafía, in -useful, against -put, sub Marino, re -vestir, pre -see, hyper -tenso,

Suffixes

Appear after the lexeme: viej- ita , pan- was , Pin- ar , mother-appointment, cas-one, Carnic-ero, cas-Sucha.

Interfixes or infixes

They appear after the lexeme but they go before the suffix: pan-ad-ero, ama-bili-dad, cafe-c-ito, carn-ic-ero.

Grammatical or flexible morphemes

They add grammatical or morphological features influencing the meaning of the word according to:

• Gender (male or female): NIN or , NIN to .
• Number (singular and plural): NIN or , NIN you .
• Time (past and future present): cant- aré , cant- aba .
• Mode (indicative subjunctive): cant- masters , cant- aban .

Independent morphemes

They keep independence from the lexeme, form independent words but need other words. Is about:

• Pronouns: take it , say it .
• Prepositions: a, with, against, …
• Conjunctions: y, o, e, but.
• Articles: he , she, one, one.